There are 8 owner-reported electrical system complaints for the 2018 Chevrolet Impalain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Tire pressure sensor system receiver (part of keyless entry system) will not collect info from individual tire pressure sensors in tires. Failure of this safety system would not provide and advance warning of low tire pressure.
Check engine light did not come on when battery was bad.also brakes feel spongy and go to the floor at times,pads and rotors are good.
IF THE CAR HAS BEEN OPERATING FOR LONG PERIOD OF TIME AN HOUR OR MORE WHEN THE AUTO STOP KICKS ON THE WHOLE CAR TURNS OFF. USUALLY AT A STOP SIGN OR STOP LIGHT. IN THE MIDDLE OF TRAFFIC. I HAVE TO LET IT SIT OFF FOR A COUPLE MINUTES AND RESTART AND JERKS HARD INTO GEAR. . WAS TOLD IT'S THE BATTERY FUSE BLOCK AND ISN'T COVERED BY WARRANTY.
TIRES-TIRES KEEP LOSING AIR PRESSURE, THEY APPEARED NEW BUT WHEN TESTED PROBLEMS WAS FOUND, THEY WERE WORE TO THE OUTSIDE AS IF ALIMENT WAS NEEDED, NEW TIRES WAS PURCHASED ELECTRICAL/BATTERY-THERE IS A FREQUENT SHUT DOWN OF ELECTRICAL SYSTEM, WHILE DRIVING THE ENGINE LIGHT COME ON, FROM THE DRIVER INFORMATION CENTER (DIC) THE WAS 14.7, THE BATTERY WAS CHECKED TWICE WITHIN A PERIOD OF TWO DAYS FROM THE DEALERSHIP, THE FIRST DAY THE BATTERY WAS GOOD THEN ON THE SECOND DAY THEY SAID I HAD A BATTERY PROBLEMS, PURCHASED NEW BATTERY, NO WARNING TRIED TO CRANK BARELY TURNOVER, SOMETIMES THE DIC GOES BLANK AND IT TAKES A WHILE FOR IT TO DISPLAY AGAIN, THIS HAVE HAPPEN AT LEAST 3 TIMES BRAKES-WHEN BACKING UP THERE IS A FREQUENT LOUD MEDAL TO METAL SOUND, THIS HAVE HAPPENED AT LEAST 4 TIMES
I WENT TO THE STORE AND CAME OUT TO LEAVE. I ATTEMPTED TO START MY CAR AND THE RADIO CAME ON, LIGHTS IN THE CAR FLASHED A COUPLE OF TIMES AND THEN I TRIED AGAIN. THEN IT STARTED MAKING A CLICKING SOUND.
SIDE DETECTION DEVICE NOT WORKING. CAR WAS PURCHASED IN JUNE AT A REPUTABLE DEALER. THE DEALERSHIP IS NOT SAYING THERE IS A PROBLEM, BUT THE SENSOR IS CORRODED. THERE ARE A NUMBER OF OTHER CASES WITH THE SAME PROBLEM.
2018 CHEVROLET IMPALA. CONSUMER WRITES IN REGARDS TO ISSUES WITH DOOR LOCKS AND TIRES. *LD THE CONSUMER STATED THE VEHICLE WAS SOLD WITH 3 WORN TIRES AND A KEY WITH A DEAD BATTERY. THE CONSUMER WAS DRIVING THE VEHICLE ON A MOUNTAIN SIDE AND EXTREMELY HEAVY FOG, THE LIGHTS (INSIDE AND OUT) WENT OUT. THE DEALER WAS INFORMED OF THE FAILURE. THE CONSUMER COULD NOT REPLICATE THE PROBLEM, BUT WAS UNABLE TO START THE VEHICLE. THE DEALER WAS UNABLE TO REPAIR THE VEHICLE AND SUGGESTED TRADING IT IN. THE CONSUMER TRADED THE VEHICLE IN AFTER OWNING THE VEHICLE FOR ONLY 8 MONTHS. *JS
THIS WAS A HERTZ RENTAL CAR I PICKED UP AT THE ORLANDO, FL AIRPORT. JUNE 2, 2019. THERE WAS NO OPERATORS MANUAL IN THE CAR. IT WAS 10 PM AND I HAD TO DRIVE 90 MILES TO MY DESTINATION. ABOUT 30 MINUTES ON THE HIGHWAY TO CHECK OIL LIGHT CAME ON. I TRIED TO CLEAR THE NOTICE BY PRESSING SEVERAL BUTTONS ON THE DASH BOARD. THEN I THOUGHT I FOUND THE CORRECT BUTTON AND PRESSED IT. IT WAS THE CAR START AND OFF BUTTON. THE CAR IMMEDIATELY SHUT OFF INCLUDING ALL THE LIGHTS. O WAS GOING 65 MPH AND SUDDENLY THE ROAD WAS PITCH BLACK. THE ENGINE HAD TURNED OFF SO I COULD NOT HOLD MY SPEED. I SLOWLY PULLED OVER TO THE SIDE. (TURN SIGNALS WERE NOT WORKING AT THIS TIME). WHEN I COMPOSED MYSELF, I PUT THE CAR IN PARK AND RESTARTED IT. THANKFULLY THERE WERE NO OTHER CARS AROUND SINCE THE CAR WAS TOTALLY DARK AND WITHOUT POWER AT 65 MPH. I WAS VERY FORTUNATE. I AN BAFFLED THAT CHEVROLET WOULD NOT HAVE CAUGHT THIS FLAW BEFORE PUTTING THESE CARS ON THE ROAD.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026