IllustrationCOMING TO A STOP LIGHT AND LOST ALL BRAKES. FURTHER INSPECTION REVEALED THAT REAR BRAKE LINES ARE RUSTED THROUGH. ALL OTHER LINES ARE SEVERELY RUSTED. INCLUDING FUEL LINES. *TT
2002 Chevrolet Silverado 1500
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2002 Chevrolet Silverado 1500 do not stand out strongly from the model-year median of 525.
About this comparison →How this year compares
Owner complaints by model year
Compare all Silverado 1500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
340–25K
4925–50K
7950–75K
10275–100K
124100–150K
55150K+
443 reports with mileage · 66 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.
- Service Brakes. Review the 184 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 164 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. Review the 30 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
45 crash reports5 fire reports15 injury reports
Service Brakes complaints
184 reportsBRAKE LINE BUSTED WHILE BLEEDING AIR OUT OF SYSTEM. FOUND ALL LINES GOING TO ABS BLOCK IN CENTER OF TRUCK WERE RUSTED COMPLETELY THROUGH. THIS WAS NOT THE FIRST TIME THIS HAPPENED. HAD SAME PROBLEM ABOUT YEAR BEFORE ON FRONT BRAKE LINE. I ALMOST HIT ANOTHER VEHICLE IN REAR. I HAD TO HAVE TRUCK TOWED TO LOCAL REPAIR SHOP WERE THE…
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BRAKE LINE BUSTED WHILE BLEEDING AIR OUT OF SYSTEM. FOUND ALL LINES GOING TO ABS BLOCK IN CENTER OF TRUCK WERE RUSTED COMPLETELY THROUGH. THIS WAS NOT THE FIRST TIME THIS HAPPENED. HAD SAME PROBLEM ABOUT YEAR BEFORE ON FRONT BRAKE LINE. I ALMOST HIT ANOTHER VEHICLE IN REAR. I HAD TO HAVE TRUCK TOWED TO LOCAL REPAIR SHOP WERE THEY FIXED BROKE LINE. *TR
BRAKE LINES BLEW OUT FROM CORROSION. THIS HAS HAPPENED 3 TIMES SINCE APRIL 2013. I WAS UNABLE TO STOP ON TWO SEPARATE RED LIGHT OCCASIONS. ALSO HAVING ABS PROBLEMS. THE ABS SYSTEM BREAKS LOOSE JUST ABOUT WHEN THE VEHICLE COMES TO A COMPLETE STOP FORCING ME TO LET GO AND REAPPLY BRAKE QUICKLY. MY TRUCK IS UNDERCOATED ALSO MAKING…
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BRAKE LINES BLEW OUT FROM CORROSION. THIS HAS HAPPENED 3 TIMES SINCE APRIL 2013. I WAS UNABLE TO STOP ON TWO SEPARATE RED LIGHT OCCASIONS. ALSO HAVING ABS PROBLEMS. THE ABS SYSTEM BREAKS LOOSE JUST ABOUT WHEN THE VEHICLE COMES TO A COMPLETE STOP FORCING ME TO LET GO AND REAPPLY BRAKE QUICKLY. MY TRUCK IS UNDERCOATED ALSO MAKING THIS DEADLY PROBLEM MORE CONCERNING. NHTSA SHOULD DO ITS JOB AND STOP THESE DEATH TRAPS. *TR
STARTED TRUCK TO HOOK UP TO A TRAILER AT HOME. BACKING UP, AND DEPRESSED BRAKES WHILE BACKING, SUDDENLY LOST ALL BRAKE CONTROL. I HAD NO CONTROL TO STOP VEHICLE. VEHICLE ROLLED TO A STOP WHILE I PRESSED AND PUMPED BRAKES WITH NO AFFECT. *TR ROLLED TO STOP. I THEN PLACED VEHICLE IN PARK AND EXITED TO FIND BRAKE FLUID ON GR…
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STARTED TRUCK TO HOOK UP TO A TRAILER AT HOME. BACKING UP, AND DEPRESSED BRAKES WHILE BACKING, SUDDENLY LOST ALL BRAKE CONTROL. I HAD NO CONTROL TO STOP VEHICLE. VEHICLE ROLLED TO A STOP WHILE I PRESSED AND PUMPED BRAKES WITH NO AFFECT. *TR ROLLED TO STOP. I THEN PLACED VEHICLE IN PARK AND EXITED TO FIND BRAKE FLUID ON GROUND. I THEN TRIED TO SLOWLY MOVE VEHICLE INTO GARAGE SO AS TO RAISE JACK UP- FOR A FURTHER EXAMINATION, BUT I HAD ZERO CONTROL OVER BRAKING. IN ORDER TO GET VEHICLE ONTO CONCRETE SURFACE/GARAGE I HAD TO SHIFT BACK AND FORTH BETWEEN NEUTRAL AND DRIVE UNTIL I LIMP THE TRUCK INTO GARAGE BUT DO SO WITHOUT RAMMING THROUGH THE BACK WALL AS I HAD NO CONTROL OVER BRAKES. ONCE IN, I JACKED UP TRUCK AND I FOUND ONE LEAK IN ONE RUSTED METAL BRAKE LINE AT A BEND CLOSEST TO LEFT REAR WHEEL. SUDDEN AND TOTAL AND COMPLETE LOSS OF BRAKES. *TR
WITHOUT WARNING TOTAL BRAKE FAILURE. LUCKILY MORE ROAD TO GO DOWN. BRAKE LINE RUSTED THROUGH. *TR
BRAKE FLUID LEAK, LOSS OF BRAKES / FAILURE DUE TO BRAKE LINE CORROSION. *TR
STEPPED ON BRAKE PEDDLE AT IDLE AND PEDAL WENT TO THE FLOOR. UPON TAKING IT TO THE REPAIR SHOP, FOUND THAT THE BRAKE LINES WERE COMPLETELY RUSTED OUT AND THE CALIPER BLEEDERS WERE RUSTED OFF. ALL LINES, CALIPERS, AND TWO ROTORS HAD TO BE REPLACED - COST $2,091. *TR
STEPPED ON BRAKES TO STOP WHEN BLOWING SNOW REDUCED MY VISIBILITY, AND THE BRAKE PEDAL WENT TO THE FLOOR. THE BRAKE LINES WERE SEVERELY CORRODED AND ONE OF THEM SUDDENLY FAILED. TURNS OUT THAT IT'S AN EPIDEMIC WITH THESE GM TRUCKS. *TR
BRAKES TOTALLY FAILED WHEN TRYING TO STOP. TOOK THE VEHICLE TO MECHANIC. TOLD THAT THE BRAKE LINES ARE TOTALLY RUSTED OUT. ALL EIGHT LINES WILL HAVE TO BE TOTALLY REPLACED IN ORDER TO FUNCTION. THEY HAD NEVER SEEN A VEHICLE WITH SUCH PROBLEMS. SEEMS THIS IS A COMMON PROBLEM WITH THIS TYPE OF VEHICLE. *TR
DRIVING AT 50MPH, TRAFFIC LIGHT WAS TURNING RED,STARTED APPLYING BRAKES TO SLOW DOWN, AND BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. TRUCK DID NOT WANT TO STOP AT ALL. NO INDICATOR LIGHT ILLUMINATED OR WARNING LIGHT. GOT TRUCK BACK HOME AND FLUID WAS POURING OUT FROM UNDER TRUCK. FURTHER INVESTIGATION PROVED RUSTED, BRAKE LINE…
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DRIVING AT 50MPH, TRAFFIC LIGHT WAS TURNING RED,STARTED APPLYING BRAKES TO SLOW DOWN, AND BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. TRUCK DID NOT WANT TO STOP AT ALL. NO INDICATOR LIGHT ILLUMINATED OR WARNING LIGHT. GOT TRUCK BACK HOME AND FLUID WAS POURING OUT FROM UNDER TRUCK. FURTHER INVESTIGATION PROVED RUSTED, BRAKE LINE HAD SPLIT IN TWO. ALL BRAKE LINES ON THIS TRUCK ARE RUSTED OR CORRODED. NO SENSE FOR THESE LINES TO BE LIKE THIS. WONDER WHICH ONE WILL BUST NEXT. GM HAS A SERIOUS PROBLEM!!! *TR
Official recalls
0No recalls in this snapshot.
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
2EA04011 · Parking Brake Failure
Opened Apr 9, 2004 · Closed May 10, 2005
Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical; Parking Brake:conventional:mechanical:linkage And Cable
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Additional source detail variants (4)
Parking Brake:conventional
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake:conventional:mechanical
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake:conventional:mechanical:linkage And Cable
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
PE03057 · Parking Brake Failure
Opened Dec 8, 2003 · Closed Apr 9, 2004
Status: closed (inferred from source dates) · Parking Brake
ODI OPENED PE03-057 TO ASSESS PARKING BRAKE INEFFECTIVENESS IN THE SUBJECT VEHICLES.THESE VEHICLES ARE EQUIPPED WITH FOUR WHEEL DISC BRAKES THAT INCORPORATE A SINGLE-SHOE DRUM-IN-HAT PARKING BRAKE INDEPENDENT OF THE SERVICE BRAKES.COMPLAINT AND WARRANTY DATA INDICATE THAT THE PARKING BRAKE LININGS TEND TO WEAR OUT EARLY IN THE LIFE OF THE VEHICLE (AT AN AVERAGE OF 24 MONTHS IN SERVICE), REDUCING THE PARKING BRAKE SYSTEM'S TORQUE BELOW THAT NEEDED TO IMMOBILIZE THE VEHICLE.GM HAS ATTRIBUTED THIS ACCELERATED WEAR TO FOREIGN MATERIAL INTRUSION AND A FAILURE OF THE BRAKE SHOE TO PROPERLY SELF-CENTER WITHIN ITS BRAKE DRUM.EFFECTIVE WITH THE START OF MY 2003 PRODUCTION, A NEWER REDUCED FORCE HOLD-DOWN CLIP WAS INTRODUCED TO FACILITATE BRAKE SHOE DISENGAGEMENT FROM THE DRUM SURFACE.THIS PART IS ALSO AVAILABLE AT THE SERVICE LEVEL FOR THE MY 1999-2002 VEHICLES.GM HAS INDICATED THAT THE PAKING BRAKE IS INTENDED TO OPERATE IN CONJUNCTION WITH THE TRANSMISSION TO IMMOBILZE PARKED VEHICLES, AND THAT IN MANY CASES, ACCELERATED PARKING BRAKE LINING WEAR IS CAUSED BY ROUGH USE, VEHICLE MODIFICATIONS, AND DRIVING WITH THE PARKING ENGAGED. ODI HAS UPGRADED THE PRELIMINARY EVALUATION TO AN ENGINEERING ANALYSIS TO GATHER FURTHER INFORMATION CONCERNING PARKING BRAKE USAGE FACTORS AND THE CIRCUMSTANCES SURROUNDING THE SEVENTEEN REPORTED VEHICLE CRASHES.