There are 5 stored owner reports matching the lighting leading-label group for the 2021 Chevrolet Silverado in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 5 of 5 matching reports.
Open the full vehicle complaint log (all categories)While towing at night with horses, trailer lights started blinking on and off, eventually for longer periods, then stopped working all together. Research shows this is a common problem in GM vehicles related to the wiring and trailer light module. This is especially dangerous when pulling horses at night and all of the sudden lights go out. GM issued a technical service bulletin. This should be a recall...
Rain is coming in through the back window. Dealer is stating that the rain is coming from the sliding window but satellite is stating it’s the brake light on the top of the truck.
rear third brake light is leaking water into the cab and causing water stains on the headliner. I am worried about it eventually causing an electrical short or more water damage. I don't have a rear window that slides open and the rear glass has never been replaced nor has the third brake light all original from factory.
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated while driving 65 MPH, the contact attempted to change lanes and the high beams automatically activated without driver input. The vehicle was diagnosed by an independent mechanic and confirmed that the high beam headlights were activating whenever the indicators were activated. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 100,000.
I JUST BOUGHT MY NEW SILVERADO YESTERDAY, AND WHEN I DROVE IT FOR THE FIRST TIME AT NIGHT I REALIZED THAT THE INFOTAINMENT DISPLAY STAYS EXTREMELY BRIGHT EVEN WHEN THE INSTRUMENT CLUSTER IS DIM. THIS IS DANGEROUSLY DISTRACTING WHILE DRIVING AT NIGHT. THE MODEL I HAVE DOES NOT GIVEE AN OPTION TO ADJUST THE INFOTAINMENT SCREEN SEPARATELY.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 30, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.