2021 Chevrolet Blazer Back-over prevention (rear camera) Problems
- Complaints
- 1about this part
- Share
- 1%of 141 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the back-over prevention of the 2021 Chevrolet Blazer, 1% of the 141 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The radio and all the sound notifications such as turn signals, emergency flashers, crash avoidance, cross traffic, lane departure, and the use of the emergency OnStar system do not work. this has been addressed in GM service information #PIT5971B: Loss OF Audio and OnStar LED is Red - (Apr 3, 2023) GM appears to be addressing this as an inconvenience of not having the entertainment of the radio and not the safety features associated with it. This also includes the use of hands-free cell phone.”
NHTSA complaint #11529702, filed 2023-06Back-over prevention (rear camera): other model years
Other parts of the 2021 Chevrolet Blazer
42 complaintsElectrical system
40 complaintsOther or unknown
24 complaintsBrakes
21 complaintsTransmission and drivetrain
19 complaintsFuel system
18 complaintsSteering
15 complaintsForward collision avoidance
8 complaintsTires
5 complaintsSuspension
4 complaintsEngine cooling
3 complaintsLane departure
3 complaints
← All problems reported for the 2021 Chevrolet Blazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology