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2006 Scion Tc

Owner reports · Recalls · Investigations

More warning signs than most Tc years

Owner complaints for the 2006 Scion Tc are substantially higher than the model-year median of 25.5.

About this comparison →

When problems were reported

Mileage at the reported incident

131 reports with mileage · 30 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.

  • Visibility. Review the 39 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

33 crash reports3 fire reports28 injury reports

Visibility complaints

39 reports
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16,500 miles · Nov 20, 2007
Visibility

TL*THE CONTACT OWNS A 2006 TOYOTA SCION TC. WHILE DRIVING 63 MPH, THE SUNROOF EXPLODED AND GLASS SHATTERED EVERYWHERE. THE CONTACT PULLED THE VEHICLE OVER AND FOUND NO GLASS REMAINING ON THE SUNROOF. THE TOYOTA DEALER STATED THAT PRESSURE MAY HAVE BEEN THE CAUSE FOR THE EXPLOSION. SCION HAD NOT TAKEN ANY ACTION AND WOULD NOT…

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TL*THE CONTACT OWNS A 2006 TOYOTA SCION TC. WHILE DRIVING 63 MPH, THE SUNROOF EXPLODED AND GLASS SHATTERED EVERYWHERE. THE CONTACT PULLED THE VEHICLE OVER AND FOUND NO GLASS REMAINING ON THE SUNROOF. THE TOYOTA DEALER STATED THAT PRESSURE MAY HAVE BEEN THE CAUSE FOR THE EXPLOSION. SCION HAD NOT TAKEN ANY ACTION AND WOULD NOT SEND A REPRESENTATIVE TO INSPECT THE VEHICLE. THE CURRENT AND FAILURE MILEAGES WERE 16,500.

NHTSA ODI #10209530

20,950 miles · May 22, 2007
Visibility

TL*THE CONTACT OWNS A 2006 TOYOTA SCION TC. WHILE DRIVING 65 MPH, THE MOON ROOF WINDSHIELD SHATTERED. THE WIND DEFLECTOR ALSO SHATTERED, BUT WAS STILL ATTACHED TO THE VEHICLE. THE CONTACT WAS ASKED TO BRING IN THE VEHICLE WITH THE DEFLECTOR ATTACHED. THE CONTACT WILL HAVE THE VEHICLE TOWED. THE ENGINE SIZE WAS UNKNOWN. THE…

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TL*THE CONTACT OWNS A 2006 TOYOTA SCION TC. WHILE DRIVING 65 MPH, THE MOON ROOF WINDSHIELD SHATTERED. THE WIND DEFLECTOR ALSO SHATTERED, BUT WAS STILL ATTACHED TO THE VEHICLE. THE CONTACT WAS ASKED TO BRING IN THE VEHICLE WITH THE DEFLECTOR ATTACHED. THE CONTACT WILL HAVE THE VEHICLE TOWED. THE ENGINE SIZE WAS UNKNOWN. THE CURRENT MILEAGE IS 21,000 AND FAILURE MILEAGE WAS 20,950.

NHTSA ODI #10191426

25,466 miles · May 21, 2007
Visibility

WHILE DRIVING UNDER NORMAL CONDITIONS ON I-85 SOUTH IN CONCORD, NC, MAIN SUN ROOF GLASS SHATTERED WITHOUT WARNING, CAUSING SHATTERED GLASS PIECES TO ENTER INTERIOR OF CAR, AND DISTRACTING DRIVER TO NEARLY CAUSING CRASH. *AK

NHTSA ODI #10191294

Mileage unknown · Apr 18, 2007
Visibility

AROUND 5:40 AM I WAS DRIVING ON THE HIGHWAY TO WORK ON A CLEAR DAY AT 60 MPH I HAD THE A/C ON AND THE FRONT WINDOW CRACKED. WHEN ALL A SUDDEN I HEARD A POP FROM THE SUN ROOF, AND THE SOUND OF GLASS SHATTERING. I HAD NO IDEA WHAT HAPPENED. I LUCKILY HAD THE COVER PULLED CLOSED SO THE GLASS PIECES DIDN'T FALL ON MY HEAD. I TOOK P…

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AROUND 5:40 AM I WAS DRIVING ON THE HIGHWAY TO WORK ON A CLEAR DAY AT 60 MPH I HAD THE A/C ON AND THE FRONT WINDOW CRACKED. WHEN ALL A SUDDEN I HEARD A POP FROM THE SUN ROOF, AND THE SOUND OF GLASS SHATTERING. I HAD NO IDEA WHAT HAPPENED. I LUCKILY HAD THE COVER PULLED CLOSED SO THE GLASS PIECES DIDN'T FALL ON MY HEAD. I TOOK PICTURE OF THE DAMAGE. ALSO, I WAS NOT GOING UNDER AN UNDER PASS. I JUST DON'T SEE HOW A ROCK BIG ENOUGH COULD OF HIT IT WITHOUT ME SEEING IT. SOMETHING NEEDS TO BE DONE ABOUT THESE SUN ROOFS BEFORE SOMEONE GETS HURT. *AK

NHTSA ODI #10188204

19,839 miles · Feb 14, 2007
Visibility

TL* THE CONTACT OWNS A 2006 SCION TC. THE MILEAGE WAS 19839. WHILD DRIVING DURING WET ROAD CONDITIONS AT 65 MPH SHE HEARD A LOUD POPPING SOUND. STOPPED THE VEHICLE TO FIND OUT WHERE THE NOISE WAS COMING FROM AND OBSERVED THAT THE SUNROOF HAD SHATTERED. THE DEALER STATED THAT AN OBJECT HIT THE SUNROOF WHICH CAUSED IT TO …

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TL* THE CONTACT OWNS A 2006 SCION TC. THE MILEAGE WAS 19839. WHILD DRIVING DURING WET ROAD CONDITIONS AT 65 MPH SHE HEARD A LOUD POPPING SOUND. STOPPED THE VEHICLE TO FIND OUT WHERE THE NOISE WAS COMING FROM AND OBSERVED THAT THE SUNROOF HAD SHATTERED. THE DEALER STATED THAT AN OBJECT HIT THE SUNROOF WHICH CAUSED IT TO SHATTER. THE DRIVER HAS PICTURES OF THE DAMAGED SUNROOF. THE DRIVER STATED THAT THE SUNROOF WIND DEFLECTOR WAS THE REASON FOR THE FAILURE. THE CURRENT AND FAILURE MILEAGE WAS 19,839.

NHTSA ODI #10182551

Mileage unknown · Jan 10, 2007
Visibility

TL* - THE CONTACT STATED WHILE DRIVING DRIVING AT 25 MPH, HEARD A LOUD NOISE. SHE REALIZED THE SUN ROOF SHATTERED ,AND THE TWO SUN ROOF SIDE BARS BROKE OFF. THE CONTACT DID NOT NOTICE ANY ROCKS THAT COULD HAVE CAUSED THE FAILURE. PER THE CONTACT, THE TOYOTA DEALER SAID IT LOOKED LIKE THE SU NROOF HAD EXPLODED. SHE DID NO…

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TL* - THE CONTACT STATED WHILE DRIVING DRIVING AT 25 MPH, HEARD A LOUD NOISE. SHE REALIZED THE SUN ROOF SHATTERED ,AND THE TWO SUN ROOF SIDE BARS BROKE OFF. THE CONTACT DID NOT NOTICE ANY ROCKS THAT COULD HAVE CAUSED THE FAILURE. PER THE CONTACT, THE TOYOTA DEALER SAID IT LOOKED LIKE THE SU NROOF HAD EXPLODED. SHE DID NOT HAVE A REPAIR INVOICE, BUT HAD THE TWO SIDE BARS FROM THE SUN ROOF. *AK

NHTSA ODI #10178357

27,500 miles · Dec 29, 2006
Visibility

I WAS DRIVING NORTH ON GARDEN STATE PARKWAY AT ABOUT 70 MPH IN MY 06 SCION TC WHEN MY MOON ROOF EXPLODED. ALL WINDOWS (INCLUDING THE MOON ROOF) WERE CLOSED AT THE TIME. THE MOON ROOF COMPLETELY FAILED (FALLING GLASS DEBRIS) IN A HALF MOON SHAPE IN THE MIDDLE FRONT. THE WIND DEFLECTOR POPPED UP BUT WAS NOT DAMAGED. GLASS BLEW VIO…

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I WAS DRIVING NORTH ON GARDEN STATE PARKWAY AT ABOUT 70 MPH IN MY 06 SCION TC WHEN MY MOON ROOF EXPLODED. ALL WINDOWS (INCLUDING THE MOON ROOF) WERE CLOSED AT THE TIME. THE MOON ROOF COMPLETELY FAILED (FALLING GLASS DEBRIS) IN A HALF MOON SHAPE IN THE MIDDLE FRONT. THE WIND DEFLECTOR POPPED UP BUT WAS NOT DAMAGED. GLASS BLEW VIOLENTLY THROUGHOUT THE INSIDE OF THE CAR AND I ALMOST LOST CONTROL SINCE TRAFFIC WAS BUSY TONIGHT. PAINT FINISH ON TRUNK AND REAR BUMPER WAS BLASTED BY THE DEBRIS. CAR IS CURRENTLY SITTING AT GATEWAY TOYOTA (TOMS RIVER, NJ).

NHTSA ODI #10177369

6,100 miles · Sep 14, 2006
Visibility

THE MOONROOF IN MY 2006 SCION SHATTERED AS I WAS DRIVING DOWN THE HIGHWAY. THERE WAS NO IMPACT FROM ANY ITEM THAT CAUSED THIS DEFECT. I HAVE FILED A FORMAL COMPLAINT WITH SCION; REFERENCE # 200609141416. *NOTE* THE WIND DEFLECTOR IS IN THE UP POSITION AS IF THE MOON ROOF WAS RETRACTED, YET, THE ROOF WAS CLOSED WHEN THIS HAPPENE…

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THE MOONROOF IN MY 2006 SCION SHATTERED AS I WAS DRIVING DOWN THE HIGHWAY. THERE WAS NO IMPACT FROM ANY ITEM THAT CAUSED THIS DEFECT. I HAVE FILED A FORMAL COMPLAINT WITH SCION; REFERENCE # 200609141416. *NOTE* THE WIND DEFLECTOR IS IN THE UP POSITION AS IF THE MOON ROOF WAS RETRACTED, YET, THE ROOF WAS CLOSED WHEN THIS HAPPENED. I AM SCHEDULED TO TAKE THE VEHICLE BY THE SCION DEALERSHIP TOMORROW.*JB

NHTSA ODI #10168297

9,000 miles · Aug 3, 2006
VisibilityInjury

DT*: THE CONTACT STATED THE VEHICLE'S SUNROOF SHATTERED WHILE DRIVING 55 MPH ON NORMAL ROAD CONDITIONS. A LOUD BANG NOISE WAS HEARD PRIOR TO THE INCIDENT. THE CONTACT SUFFERED BRUISES AND CUTS AND PULLED OFF TO THE SHOULDER. THE VEHICLE WAS TAKEN TO THE DEALER WHO NOTIFIED THE CONTACT OF AN INTERNAL MEMO FROM THE MANUFACTURER…

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DT*: THE CONTACT STATED THE VEHICLE'S SUNROOF SHATTERED WHILE DRIVING 55 MPH ON NORMAL ROAD CONDITIONS. A LOUD BANG NOISE WAS HEARD PRIOR TO THE INCIDENT. THE CONTACT SUFFERED BRUISES AND CUTS AND PULLED OFF TO THE SHOULDER. THE VEHICLE WAS TAKEN TO THE DEALER WHO NOTIFIED THE CONTACT OF AN INTERNAL MEMO FROM THE MANUFACTURER WHICH ENTAILED A SUN ROOF DEFECT. THE MANUFACTURER WAS CONTACTED TO CONFIRM THAT RECALL #05V483000 REGARDING VISIBILITY: SUN ROOF ASSEMBLY PERTAINED TO THE AFFECTED VEHICLE. THE VEHICLE WAS NOT INCLUDED IN THE RECALL DUE TO THE VIN. PICTURES OF THE VEHICLE WERE TAKEN.

NHTSA ODI #10164394

Mileage unknown · Jul 31, 2006
Visibility

I CURRENTLY OWN THE 2006 SCION TC, IN WHICH THIS INCIDENT IS REGARDING NHTSA ACTION NUMBER PE06024. MY STATIONARY GLASS PANEL SECTION OF MY SCION TC'S MOONROOF HAS BEEN SHATTERED BY NO PHYSICAL CONTACT TO THE GLASS. AS I WAS OPENING THE TRUNK TO MY CAR, THE MOONROOF BEGAN TO CRACK, SPIDERING AND COMPLETELY SHATTERING THE GLASS. …

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I CURRENTLY OWN THE 2006 SCION TC, IN WHICH THIS INCIDENT IS REGARDING NHTSA ACTION NUMBER PE06024. MY STATIONARY GLASS PANEL SECTION OF MY SCION TC'S MOONROOF HAS BEEN SHATTERED BY NO PHYSICAL CONTACT TO THE GLASS. AS I WAS OPENING THE TRUNK TO MY CAR, THE MOONROOF BEGAN TO CRACK, SPIDERING AND COMPLETELY SHATTERING THE GLASS. I BROUGHT THE CAR TO TOYOTA AROUND 12 HOURS AFTER THE INCIDENT, IN WHICH TOYOTA IS CURRENTLY INVESTIGATING THIS ISSUE. HOWEVER, I WANTED TO REPORT THIS INCIDENT TO YOU, CONSIDERING THIS IS CLEARLY A DEFECT IN THE SCION TC'S DESIGN. THE SCION TC THAT I OWN IS BARELY THREE MONTHS OLD WITH 3700 MILES TO IT, SO I AM HOPING THIS COMPLAINT WILL GET BACK TO TOYOTA AND REPAIR MY CAR. *NM

NHTSA ODI #10164051

Official recalls

5

10V035000 · Equipment:other:labels

Feb 3, 2010

GULF STATES TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2010 VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SOLD BETWEEN SEPTEMBER 1, 2005 AND JUNE 2, 2008 WITHOUT THE REQUISITE LOAD CARRYING CAPACITY MODIFICATION LABELS.

Consequence & remedy

Consequence: THIS DOES NOT MEET THE STANDARD REQUIREMENTS.

Remedy: DEALERS WILL MAIL TO CONSUMERS THE CORRECTED LABEL OR THE CUSTOMER WILL HAVE THE OPTION FOR DEALERS TO INSTALL THE LABEL FREE OF CHARGE. DEALERS WILL ALSO CORRECT THE OWNER'S MANUAL. THE SAFETY RECALL BEGAN ON MAY 27, 2010. OWNERS MAY CONTACT GULF STATES TOYOTA AT 713-580-3300.

10V036000 · Equipment:other:labels

Feb 3, 2010

SOUTHEAST TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2011 PASSENGER VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SOLD WITHOUT THE REQUISITE LOAD CARRYING CAPACITY MODIFICATION LABELS.

Consequence & remedy

Consequence: A DRIVER MAY OVERLOAD A VEHICLE WHICH MAY INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL MAIL TO CONSUMERS THE CORRECTED LABEL OR THE CUSTOMER WILL HAVE THE OPTION FOR DEALERS TO INSTALL THE LABEL FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 27, 2010. OWNERS MAY CONTACT SOUTHEAST TOYOTA AT 1-800-301-6859.

06V408000 · Air Bags:side/window

Oct 26, 2006

ON CERTAIN VEHICLES, THE SIDE IMPACT SEAT-BOLSTER AND CURTAIN SIDE AIRBAGS MAY INADVERTENTLY DEPLOY. THIS CONDITION CAN OCCUR IF THE DOOR FOR THAT SIDE OF THE VEHICLE IS CLOSED WITH A HIGH RATE OF FORCE WHILE THE VEHICLE'S IGNITION IS IN THE "ON" POSITION OR WITHIN 90 SECONDS OF TURNING THE IGNITION KEY FROM THE "ON" POSITION TO THE "OFF" POSITION.

Consequence & remedy

Consequence: IF THE SIDE IMPACT SEAT-BOLSTER AND CURTAIN SIDE AIRBAGS INADVERTENTLY DEPLOY, THEY COULD CAUSE PERSONAL INJURY IF AN OCCUPANT IS SEATED ON THE SAME SIDE OF THE VEHICLE AS THE DOOR THAT IS CLOSED WITH A HIGH RATE OF FORCE. UNTIL THE REPAIR HAS BEEN PERFORMED, IT IS RECOMMENDED THAT A MINIMAL FORCE/SPEED BE USED TO CLOSE THE DRIVER AND PASSENGER DOORS OR CLOSING THE DOORS AFTER 90 SECONDS HAVE ELAPSED FROM TURNING THE IGNITION KEY FROM THE "ON" TO THE "OFF" POSITION.

Remedy: DEALERS WILL REPLACE THE TWO SIDE IMPACT AIRBAG SENSORS AND INSTALL A URETHANE PAD IN THE FRONT DOORS, IF NECESSARY, FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 6, 2006. OWNERS MAY CONTACT TOYOTA AT 1-866-548-1851.

06V096000 · Air Bags

Apr 3, 2006

ON CERTAIN VEHICLES, DUE TO IMPROPER ASSEMBLY OF THE AIR BAG INFLATOR, WHICH IS USED IN THE SIDE AIR BAG, THE CURTAIN SHIELD AIR BAG, AND THE KNEE AIR BAG ASSEMBLY, SOME INFLATORS WERE PRODUCED WITH AN INSUFFICIENT AMOUNT OF THE HEATING AGENTS NECESSARY FOR PROPER AIR BAG DEPLOYMENT. IN THIS CONDITION, THE EXPANSION FORCE OF THE GAS MAY BE INSUFFICIENT TO PROPERLY INFLATE THE AIR BAG WHEN THE SRS SYSTEM IS ACTIVATED DURING A CRASH.

Consequence & remedy

Consequence: THIS MAY INCREASE THE RISK OF INJURY TO THE OCCUPANT IN THE INVOLVED SEATING POSITION IN THE EVENT OF A CRASH.

Remedy: DEALERS WILL REPLACE THE SPECIFIC SRS AIR BAG. THE RECALL BEGAN ON APRIL 6, 2006. OWNERS MAY CONTACT TOYOTA AT 1-888-270-9371, SCION AT 1-866-548-1851, OR LEXUS AT 1-800-255-3987.

05V483000 · Visibility:sun/moon Roof Assembly

Oct 18, 2005

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH A GLASS WIND DEFLECTOR, THE DEFLECTOR, IF IMPACTED BY A PROJECTILE, SUCH AS ROAD DEBRIS, WHILE DRIVING WITH THE WIND DEFLECTOR IN THE UPWARD-TILTED POSITION AT HIGHWAYS SPEEDS, MAY SHATTER AND SEPARATE FROM THE FRAME.

Consequence & remedy

Consequence: PIECES OF THE WIND DEFLECTOR GLASS MAY SEPARATE FROM THE FRAME AND FALL UPON THE VEHICLE OCCUPANTS CAUSING DRIVER DISTRACTION AND/OR INJURY.

Remedy: DEALERS WILL INSTALL A PROTECTIVE LAMINATE TO THE WIND DEFLECTOR TO PREVENT PIECES OF GLASS FROM SEPARATING FROM THE WIND DEFLECTOR FRAME. THE RECALL BEGAN OCTOBER 27, 2005. OWNERS MAY CONTACT TOYOTA AT 1-866-707-2466.

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

PE06024 · Glass Moonroof Shatters

Opened Jul 7, 2006 · Closed Dec 6, 2006

Status: closed (inferred from source dates) · Structure:body:roof And Pillars; Visibility:sun/moon Roof Assembly

ODI'S INVESTIGATION DISCLOSES THAT THE SUBJECT VEHICLES SUSTAIN MOONROOF SHATTERING AND/OR DAMAGE AT RATES COMPARABLE TO THOSE FOR MOST OTHER SIMILARLY EQUIPPED VEHICLES.THIS REVIEW ALSO DISCLOSES THAT SUCH INCIDENTS OCCUR IN MOST VEHICLES WITH MOONROOFS AND THAT WHILE TEMPERED GLASS PANELS COMMONLY USED IN MOONROOF FABRICATION ARE SHATTER-RESISTANT, SOME CATASTROPHIC FAILURES DO IN FACT OCCUR.IMPACT WITH SMALL STONES OR ROAD DEBRIS MAY RESULT IN IMMEDIATE OR DELAYED SHATTER INCIDENTS, DEPENDING ON THE EXTENT AND NATURE OF DAMAGE SUSTAINED BY THE GLASS MOONROOF PANEL.THE MANUFACTURER CONCLUDES THAT INCIDENTS OF MOONROOF SHATTER ARE RANDOM OCCURRENCES THAT RESULT PRIMARILY FROM IMPACT WITH SMALL STONES OR OTHER OBJECTS WHILE THE VEHICLE IS IN MOTION. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AND THIS PE HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

Additional source detail variants (2)

Structure:body:roof And Pillars

ODI'S INVESTIGATION DISCLOSES THAT THE SUBJECT VEHICLES SUSTAIN MOONROOF SHATTERING AND/OR DAMAGE AT RATES COMPARABLE TO THOSE FOR MOST OTHER SIMILARLY EQUIPPED VEHICLES.THIS REVIEW ALSO DISCLOSES THAT SUCH INCIDENTS OCCUR IN MOST VEHICLES WITH MOONROOFS AND THAT WHILE TEMPERED GLASS PANELS COMMONLY USED IN MOONROOF FABRICATION ARE SHATTER-RESISTANT, SOME CATASTROPHIC FAILURES DO IN FACT OCCUR.IMPACT WITH SMALL STONES OR ROAD DEBRIS MAY RESULT IN IMMEDIATE OR DELAYED SHATTER INCIDENTS, DEPENDING ON THE EXTENT AND NATURE OF DAMAGE SUSTAINED BY THE GLASS MOONROOF PANEL.THE MANUFACTURER CONCLUDES THAT INCIDENTS OF MOONROOF SHATTER ARE RANDOM OCCURRENCES THAT RESULT PRIMARILY FROM IMPACT WITH SMALL STONES OR OTHER OBJECTS WHILE THE VEHICLE IS IN MOTION. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AND THIS PE HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

Visibility:sun/moon Roof Assembly

ODI'S INVESTIGATION DISCLOSES THAT THE SUBJECT VEHICLES SUSTAIN MOONROOF SHATTERING AND/OR DAMAGE AT RATES COMPARABLE TO THOSE FOR MOST OTHER SIMILARLY EQUIPPED VEHICLES.THIS REVIEW ALSO DISCLOSES THAT SUCH INCIDENTS OCCUR IN MOST VEHICLES WITH MOONROOFS AND THAT WHILE TEMPERED GLASS PANELS COMMONLY USED IN MOONROOF FABRICATION ARE SHATTER-RESISTANT, SOME CATASTROPHIC FAILURES DO IN FACT OCCUR.IMPACT WITH SMALL STONES OR ROAD DEBRIS MAY RESULT IN IMMEDIATE OR DELAYED SHATTER INCIDENTS, DEPENDING ON THE EXTENT AND NATURE OF DAMAGE SUSTAINED BY THE GLASS MOONROOF PANEL.THE MANUFACTURER CONCLUDES THAT INCIDENTS OF MOONROOF SHATTER ARE RANDOM OCCURRENCES THAT RESULT PRIMARILY FROM IMPACT WITH SMALL STONES OR OTHER OBJECTS WHILE THE VEHICLE IS IN MOTION. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AND THIS PE HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.