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2008 Chevrolet Impala

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

665 reports with mileage · 145 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 221 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 134 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Suspension. Review the 117 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

51 crash reports10 fire reports36 injury reports

Steering complaints

94 reports
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47,000 miles · Jul 17, 2013
Steering

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING 3 MPH, THE STEERING WHEEL SEIZED. THE FAILURE RECURRED SEVEN OTHER TIMES AT VARIOUS SPEEDS AND ALWAYS WHEN THE GROUND WAS WET. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 47…

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TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING 3 MPH, THE STEERING WHEEL SEIZED. THE FAILURE RECURRED SEVEN OTHER TIMES AT VARIOUS SPEEDS AND ALWAYS WHEN THE GROUND WAS WET. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 47,000.

NHTSA ODI #10525314

5,000 miles · May 3, 2013
EngineSteeringSuspension

MY WIFE AND I PURCHASED THE CHEVY IMPALA TO BE OUR FIRST VEHICLE TOGETHER AFTER GETTING MARRIED. BOUGHT THIS VEHICLE BRAND NEW ONLY 102 MILES ON IT BEFORE WE DROVE IT OFF THE LOT. LITTLE DID WE KNOW IT WAS GOING TO BE 4 YEARS OF NIGHTMARES AND HEADACHES. AT THE TIME READ MANY REVIEW ABOUT THE IMPALA, NOTHING TOO MAJOR WAS FOUND…

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MY WIFE AND I PURCHASED THE CHEVY IMPALA TO BE OUR FIRST VEHICLE TOGETHER AFTER GETTING MARRIED. BOUGHT THIS VEHICLE BRAND NEW ONLY 102 MILES ON IT BEFORE WE DROVE IT OFF THE LOT. LITTLE DID WE KNOW IT WAS GOING TO BE 4 YEARS OF NIGHTMARES AND HEADACHES. AT THE TIME READ MANY REVIEW ABOUT THE IMPALA, NOTHING TOO MAJOR WAS FOUND. AFTER THE FIRST WEEK, THE POWER STEERING SEEMED TO BE FAILING, ESPECIALLY DURING RAIN. TOOK IT BACK TO THE DEALER AND THEY COULD NOT REPLICATE THE INCIDENT. THEY TOLD US THEY COULD NOT FIND ANYTHING WRONG AND TO BRING IT BACK IF THE PROBLEM CONTINUED. IT DIDN'T TAKE LONG AND WE WERE BACK AT THE DEALER WITH THE SAME PROBLEM. DEALER SAID THEY CHECKED THE BELTS AND THE FLUID ALL WORKING PROPERLY. AFTER A FEW OTHER TIMES OF THE POWER STEERING FAILING TOOK THE VEHICLE TO ANOTHER DEALER AND THEY TOO COULD NOT FIND ANYTHING WRONG WITH THE PS. SO, AFTER SEVERAL TRIPS BACK TO DEALER WE DECIDED TO JUST DEAL WITH IT. WHICH BRINGS ME TO MY NEXT COMPLAINT ABOUT THE 2008 IMPALA, AT JUST OVER 10,000 NOTED ABNORMAL WEAR ON TIRES, AND WIRES PEEKING THROUGH ON THE INSIDE. TOOK IT IN TO DEALER AND THEY ACCUSED US OF ABUSIVE DRIVING BEHAVIOR AND NEGLECT, WHICH WAS A NEW ON TO ME. ANYWAY, THEY REFUSED TO REPLACE THE TIRES SITTING THE WARRANTY ONLY COVERS DEFECTS AND NORMAL DRIVING CONDITIONS. SO, BY THIS TIME WE ARE STARTING TO REGRET THE PURCHASE OF THIS VEHICLE. WE HAD TO REPLACE ALL 4 TIRES @ 98.00 EACH. ABOUT YEAR LATER AT 28,000 MILES BEGAN TO HAVE THIS PROBLEM ONCE AGAIN. AFTER MANY HOURS OF DEBATES AND PHONE CALLS THEY AGREE TO "CHECK OUT OUR PROBLEM" WITH NO COST TO US. LOW AND BEHOLD WOULDN'T YOU KNOW IT, THEY FOUND NOTHING WRONG WITH THE VEHICLE AND ADVISED US TO PURCHASE BETTER BRAND TIRES. THE LAST TIME I LOOKED MICHELIN WAS A TOP BRAND TIRE. ON TOP OF EVERYTHING ELSE, MAIN SEAL IN MOTOR BEGAN TO LEAK. THIS WAS THE LAST STRAW! *TR

NHTSA ODI #10510475

46,000 miles · Mar 27, 2013
Steering

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT THE REAR WHEELS WERE NOT ALIGNED AND CAUSED THE REAR TIRES TO WEAR PREMATURELY. THE CONTACT TOOK THE VEHICLE TO A LOCAL MECHANIC TO HAVE THE TIRES REPLACED. THE MECHANIC DID NOT KNOW WHY THE TIRES WERE WEARING PREMATURELY HOWEVER THE TIRES WERE REPLACED. THE C…

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TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT THE REAR WHEELS WERE NOT ALIGNED AND CAUSED THE REAR TIRES TO WEAR PREMATURELY. THE CONTACT TOOK THE VEHICLE TO A LOCAL MECHANIC TO HAVE THE TIRES REPLACED. THE MECHANIC DID NOT KNOW WHY THE TIRES WERE WEARING PREMATURELY HOWEVER THE TIRES WERE REPLACED. THE CONTACT STATED THAT THE VEHICLE WOULD BECOME UNCONTROLLABLE WHEN DRIVING IN INCLEMENT WEATHER AT 40 MPH. THE CONTACT DID NOT TAKE THE VEHICLE TO A DEALER FOR A DIAGNOSTIC TEST. THE FAILURE MILEAGE WAS 46,000.

NHTSA ODI #10504755

150,000 miles · Mar 11, 2013
Electrical SystemPower TrainSteering

I WAS DRIVING ON THE HIGHWAY LEADING INTO AN OVERPASS. AS L ENTERED ONTO THE OVERPASS MY SERVICE TRACTION CONTROL, ENGINE POWER REDUCED, AND SERVICE THROTTLE BODY DISABLED FLASH ACROSS MY DASH BOARD, KILLING THE POWER TO MY VEHICLE AND LOCKING MY STEERING WHEEL. WHILE I WAS STOPPED UNABLE TO MOVE MY VEHICLE, CARS FLEW ME AND I W…

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I WAS DRIVING ON THE HIGHWAY LEADING INTO AN OVERPASS. AS L ENTERED ONTO THE OVERPASS MY SERVICE TRACTION CONTROL, ENGINE POWER REDUCED, AND SERVICE THROTTLE BODY DISABLED FLASH ACROSS MY DASH BOARD, KILLING THE POWER TO MY VEHICLE AND LOCKING MY STEERING WHEEL. WHILE I WAS STOPPED UNABLE TO MOVE MY VEHICLE, CARS FLEW ME AND I WAS ALMOST HIT. AT ONE POINT ANOTHER VEHICLE WAS ALMOST RAN OFF THE ROAD DUE TO ONCOMING TRAFFIC TRYING TO DODGE ME. THIS WAS THE WORST EXPERIENCE OF MY LIFE. I HAVE NEVER FEARED FOR MY LIFE LIKE I DID AT THIS TIME. AFTER DOING MY RESEARCH ONLINE, I HAVE FOUND MANY OTHERS HAVE BEEN IN MY SITUATION. I WAS TOLD THAT MY ACCELERATOR PEDAL SENSOR HAS GONE BAD. I FEEL THAT GM SHOULD BE HELD RESPONSIBLE AND NEEDS TO REMEDY THE SITUATION BEFORE SOMEONE IS KILLED. *TR

NHTSA ODI #10502421

90,000 miles · Feb 4, 2013
Electrical SystemSteering

KEY GETS STUCK IN IGNITION AND WILL NOT TURN TO LOCK POSITION. THE BATTERY RUNS DOWN AFTER SITTING FOR AWHILE. I "GOOGLED" COMPLAINTS OF THIS HAPPENING AND THERE WERE HUNDREDS OF COMPLAINTS. THE PROBLEM LIES IN THE CENTER CONSOLE OF AUTOMATIC TRANSMISSION CARS. CHEVROLET DESIGNED THE WIRING HARNESS TO DRAG ACROSS THE FLOOR W…

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KEY GETS STUCK IN IGNITION AND WILL NOT TURN TO LOCK POSITION. THE BATTERY RUNS DOWN AFTER SITTING FOR AWHILE. I "GOOGLED" COMPLAINTS OF THIS HAPPENING AND THERE WERE HUNDREDS OF COMPLAINTS. THE PROBLEM LIES IN THE CENTER CONSOLE OF AUTOMATIC TRANSMISSION CARS. CHEVROLET DESIGNED THE WIRING HARNESS TO DRAG ACROSS THE FLOOR WHILE MOVING THE SHIFTER LEVER FROM GEAR TO GEAR. THIS EVENTUALLY CAUSES THE WIRES TO BREAK. DEPENDING ON WHICH OF THE FIVE WIRES BREAK CAUSES PROBLEMS WITH THE IGNITION SWITCH (CAR WON'T START, TRANSMISSION WON'T SHIFT, STEERING WHEEL WON'T LOCK, KEY WON'T COME OUT ARE SOME OF THE PROBLEMS). AS I STATED THERE ARE HUNDREDS OF COMPLAINTS AND FEEL TO ISSUE A RECALL BY CHEVROLET WOULD BE INLINE. *TR

NHTSA ODI #10496342

73,014 miles · Dec 23, 2012
EngineSteeringVehicle Speed Control

I WAS GOING DOWN THE ROAD AND OUT OF NO WHERE MY CAR SAYS SERVICE TRACTION CONTROL, FOLLOWED BY SERVICE STABILITRAK, FOLLOWED BY ENGINE POWER REDUCED WITH A CHECK ENGINE LIGHT ON. LOST ALMOST ALL POWER TO THE CAR, COULD BARELY TURN THE WHEEL AND THE BRAKES FELT EXTREMELY STRANGE. I COULD ONLY GO ABOUT 5MPH TOPS DOWN THE ROAD. LU…

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I WAS GOING DOWN THE ROAD AND OUT OF NO WHERE MY CAR SAYS SERVICE TRACTION CONTROL, FOLLOWED BY SERVICE STABILITRAK, FOLLOWED BY ENGINE POWER REDUCED WITH A CHECK ENGINE LIGHT ON. LOST ALMOST ALL POWER TO THE CAR, COULD BARELY TURN THE WHEEL AND THE BRAKES FELT EXTREMELY STRANGE. I COULD ONLY GO ABOUT 5MPH TOPS DOWN THE ROAD. LUCKILY I WAS ONLY 2 MIN FROM HOME. WHICH ACTUALLY TOOK 6 MIN BECAUSE OF THE REDUCED ENGINE SPEED. RIGHT BEFORE I PULLED IN THE DRIVEWAY THE MOTOR DIED. THE NEXT DAY I WENT OUT AND TRIED STARTING IT. THE REMOTE START WASN'T WORKING AND MY CHECK ENGINE LIGHT WAS STILL ON BUT IT DID START UP WITH A TURN OF THE KEY. I LOOKED UP CODES AND FOUND THAT IT WAS TELLING ME THE ACCELERATOR PEDAL SENSOR WAS BAD. I HAVE GOOGLED THIS ISSUE AND FOUND THAT IT IS A VERY DANGEROUS, COMMON PROBLEM WITH THE CHEVY IMPALA. ALTHOUGH THAT IS THE CODE IT IS GIVING ME, OTHER PEOPLE HAVE HAD TO REPLACE THEIR THROTTLE BODY TO RESOLVE THE PROBLEM. GM SHOULD RECALL IT BEFORE SOMEONE GETS HURT. I WILL NOT BE BUYING ANOTHER GM VEHICLE IN THE FUTURE BECAUSE THEY ARE TOO CHEAP TO FIX THIS COMMON ISSUE WHICH COULD ESSENTIALLY COST SOMEONE THEIR LIFE. *TR

NHTSA ODI #10489576

61,000 miles · Jul 16, 2012
Electronic Stability Control (esc)Power TrainSteering

MY CAR SHUT OFF WITH A REDUCED ENGINE POWER MESSAGE WITH MY TWO SMALL CHILDREN IN THE CAR WHILE THE CAR WAS IN MOTION. *TR

NHTSA ODI #10465780

43,000 miles · Jun 13, 2012
Steering

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING 2 MPH, THE POWER STEERING BELT FRACTURED AND THE STEERING WHEEL SEIZED. THE VEHICLE WAS TAKEN TO A PERSONAL MECHANIC FOR DIAGNOSIS AND REPAIRS. SIXTY DAYS AFTER THE REPAIRS, THE VEHICLE WOULD NOT SHIFT OUT OF PARK. THE CONTACT WAS FORCED TO APPL…

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TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THAT WHILE DRIVING 2 MPH, THE POWER STEERING BELT FRACTURED AND THE STEERING WHEEL SEIZED. THE VEHICLE WAS TAKEN TO A PERSONAL MECHANIC FOR DIAGNOSIS AND REPAIRS. SIXTY DAYS AFTER THE REPAIRS, THE VEHICLE WOULD NOT SHIFT OUT OF PARK. THE CONTACT WAS FORCED TO APPLY THE BYPASS RELAY BUTTON TO GET THE CAR OUT OF PARK. THE FOLLOWING DAY, THE KEY BECAME STUCK IN THE IGNITION AND THE BATTERY WAS DRAINING ABNORMALLY. THE VEHICLE WAS NOT FURTHER REPAIRED. THE FAILURE MILEAGE WAS 43,000 AND THE CURRENT MILEAGE WAS 45,000.

NHTSA ODI #10461481

66,000 miles · May 18, 2012
Steering

SYMPTOMS WERE NOISE WHEN STEERING AT LOW SPEED, PLAY IN STEERING WHEEL AND VEHICLE "WANDERING" WHEN DRIVING IN A STRAIGHT LINE. PROBLEM WAS DEFECTIVE INTERMEDIATE STEERING SHAFT. GM REDESIGNED THE INTERMEDIATE STEERING SHAFT IN 2008 IN RESPONSE TO THESE VERY PROBLEMS. GM HAS NOT ISSUED A RECALL FOR THIS PART, BUT THERE HAVE B…

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SYMPTOMS WERE NOISE WHEN STEERING AT LOW SPEED, PLAY IN STEERING WHEEL AND VEHICLE "WANDERING" WHEN DRIVING IN A STRAIGHT LINE. PROBLEM WAS DEFECTIVE INTERMEDIATE STEERING SHAFT. GM REDESIGNED THE INTERMEDIATE STEERING SHAFT IN 2008 IN RESPONSE TO THESE VERY PROBLEMS. GM HAS NOT ISSUED A RECALL FOR THIS PART, BUT THERE HAVE BEEN MULTIPLE TECHNICAL SERVICES BULLETINS, INCLUDING TSB # 01-02-32-0010. THE TSB INDICATES THE NEED FOR REPLACING, NOT LUBRICATING, THE PART. THE TSB STATES "ENGINEERING CHANGES HAVE BEEN MADE TO THE SERVICE PARTS AVAILABLE THROUGH SPO. THE SERVICE PARTS FOR THE VEHICLES LISTED IN THIS BULLETIN WILL NO LONGER REQUIRE LUBRICATION OF THE INTERMEDIATE STEERING SHAFT" GM RE-ENGINEERING THE PART INDICATES TO ME AS AN OWNER THAT THEY KNOW THE ORIGINAL PRODUCT WAS DEFECTIVE, BUT ARE CHOOSING TO REPLACE A DEFECTIVE, POTENTIALLY DANGEROUS PART AT THE OWNERS EXPENSE. THIS PROBLEM IS WIDELY DOCUMENTED ON GM OWNER AND DEALERSHIP FORUMS ACROSS THE INTERNET. THIS PROBLEM IS SHARED BY CHEVROLET IMPALAS, CHEVROLET MONTE CARLOS, BUICK REGALS, BUICK LACROSSES, OLDSMOBILE INTRIGUE AND PONTIAC GRAND PRIX. ALL OF THESE VEHICLES ARE BUILT ON THE GM "W BODY" PLATFORM. DUE TO THE POPULARITY OF THESE VEHICLES, THE PROBLEM LIKELY AFFECTS MANY MILLIONS OF OWNERS. I HAD THE PART REPLACED AT MY OWN EXPENSE. I HAD A CERTIFIED PRE-OWNED WARRANTY THAT, ACCORDING TO MY INVOICE, ONLY SAVED ME $30 ON THE REPAIR. I WAS CHARGED A $200 DEDUCTIBLE FOR THE REPLACEMENT OF THE PART. *TR

NHTSA ODI #10458959

60,000 miles · Feb 1, 2012
Steering

TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THE SIDEWALLS ON THE TIRES WERE WEARING PREMATURELY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND THE DEALER STATED THAT THE REAR TIE ROD WAS DEFECTIVE. AS A RESULT, THE BRAKES, ROTORS AND TIRES WERE WEARING PREMATURELY. THE DEALER REPLACED THE TIE ROD AND ALL…

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TL* THE CONTACT OWNS A 2008 CHEVROLET IMPALA. THE CONTACT STATED THE SIDEWALLS ON THE TIRES WERE WEARING PREMATURELY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND THE DEALER STATED THAT THE REAR TIE ROD WAS DEFECTIVE. AS A RESULT, THE BRAKES, ROTORS AND TIRES WERE WEARING PREMATURELY. THE DEALER REPLACED THE TIE ROD AND ALL OF THE COMPONENTS WHICH WERE WEARING PREMATURELY, BUT THE FAILURE CONTINUED. THE FAILURE MILEAGE WAS 60,000 AND THE CURRENT MILEAGE WAS 75,000.

NHTSA ODI #10446157

Official recalls

2

14V355000 · Electrical System:ignition

Jun 23, 2014

This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) is recalling certain model year 2005-2009 Buick LaCrosse, 2006-2011 Buick Lucerne, 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, 2006-2014 Chevrolet Impala, and 2006-2007 Chevrolet Monte Carlo vehicles. In the affected vehicles, the weight on the key ring and road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.

Consequence & remedy

Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury. Additionally, a key knocked out of the run position will cause loss of engine power, power steering, and power braking, increasing the risk of a vehicle crash.

Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 23, 2014. Owners may contact General Motors customer service at 1-800-521-7300 (Buick), 1-800-458-8006 (Cadillac), and 1-800-222-1020 (Chevrolet). GM's number for this recall is 14299.

12V377000 · Suspension:front:control Arm:lower Arm

Aug 3, 2012

General Motors (GM) is recalling certain model year 2008-2012 Chevrolet Impala police vehicles because the front lower control arms may fracture. This safety recall does not include non-police Chevrolet Impala vehicles.

Consequence & remedy

Consequence: A broken control arm can result in the loss of control of the vehicle, increasing the risk of a crash.

Remedy: GM will notify owners, and dealers will replace both front lower control arms, free of charge. The safety recall began on August 21, 2012. Owners may contact the Chevrolet owner center at 1-866-694-6546.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

DP14001 · Passenger Air Bag Ocs Algorithm

Opened Jul 22, 2014 · Closed Mar 7, 2017

Status: closed (inferred from source dates) · Air Bags; Air Bags:frontal:sensor/control MODULE-INACTIVE

The Agency received a petition on November 14, 2013 requesting an investigation into the operation of the passenger air bag Occupant Classification System (OCS) software logic and algorithm.The petitioner states that due to this alleged defect, the passenger air bag may be suppressed at point of impact and not provided the occupant protection as needed in a crash.On July 22, 2014, NHTSA opened DP14-001 to further review the crash event and perform a more comprehensive search and analysis of the Fatality Analysis Reporting System (FARS).The Agency also collected manufacturers reports on the alleged OCS issue on the subject Impala vehicles and other GM and non-GM peer vehicles.After examination of the petition and available data relating to the subject vehicle's OCS and the specific crash incident where the OCS allegedly failed to operate properly, NHTSA did not identify an issue with the MY2008 Impala involved in the subject crash, nor has it identified a safety-related defect trend existing in the OCS used in the MY 2006-2008 Impala vehicles, in GM peer vehicles or in other non-GM peer vehicles.NHTSA has concluded that further expenditure of the agency's investigative resources is not warranted. The agency accordingly has denied the petition.However, the agency will take further action if warranted by changing future circumstances. The official petition denial, as published in the Federal Register, is available in the document file for this defect petition.The single complaint and crash noted in the Failure Report above is the petitioner's VOQ (10568388) and can be reviewed online at https://www.nhtsa.gov/recalls?nhtsaId=10568388.

Additional source detail variants (2)

Air Bags:frontal:sensor/control MODULE-INACTIVE

The Agency received a petition on November 14, 2013 requesting an investigation into the operation of the passenger air bag Occupant Classification System (OCS) software logic and algorithm.The petitioner states that due to this alleged defect, the passenger air bag may be suppressed at point of impact and not provided the occupant protection as needed in a crash.On July 22, 2014, NHTSA opened DP14-001 to further review the crash event and perform a more comprehensive search and analysis of the Fatality Analysis Reporting System (FARS).The Agency also collected manufacturers reports on the alleged OCS issue on the subject Impala vehicles and other GM and non-GM peer vehicles.After examination of the petition and available data relating to the subject vehicle's OCS and the specific crash incident where the OCS allegedly failed to operate properly, NHTSA did not identify an issue with the MY2008 Impala involved in the subject crash, nor has it identified a safety-related defect trend existing in the OCS used in the MY 2006-2008 Impala vehicles, in GM peer vehicles or in other non-GM peer vehicles.NHTSA has concluded that further expenditure of the agency's investigative resources is not warranted. The agency accordingly has denied the petition.However, the agency will take further action if warranted by changing future circumstances. The official petition denial, as published in the Federal Register, is available in the document file for this defect petition.The single complaint and crash noted in the Failure Report above is the petitioner's VOQ (10568388) and can be reviewed online at https://www.nhtsa.gov/recalls?nhtsaId=10568388.

Air Bags

The Agency received a petition on November 14, 2013 requesting an investigation into the operation of the passenger air bag Occupant Classification System (OCS) software logic and algorithm.The petitioner states that due to this alleged defect, the passenger air bag may be suppressed at point of impact and not provided the occupant protection as needed in a crash.On July 22, 2014, NHTSA opened DP14-001 to further review the crash event and perform a more comprehensive search and analysis of the Fatality Analysis Reporting System (FARS).The Agency also collected manufacturers reports on the alleged OCS issue on the subject Impala vehicles and other GM and non-GM peer vehicles.After examination of the petition and available data relating to the subject vehicle's OCS and the specific crash incident where the OCS allegedly failed to operate properly, NHTSA did not identify an issue with the MY2008 Impala involved in the subject crash, nor has it identified a safety-related defect trend existing in the OCS used in the MY 2006-2008 Impala vehicles, in GM peer vehicles or in other non-GM peer vehicles.NHTSA has concluded that further expenditure of the agency's investigative resources is not warranted. The agency accordingly has denied the petition.However, the agency will take further action if warranted by changing future circumstances. The official petition denial, as published in the Federal Register, is available in the document file for this defect petition.The single complaint and crash noted in the Failure Report above is the petitioner's VOQ (10568388) and can be reviewed online at https://www.nhtsa.gov/recalls?nhtsaId=10568388.