Lane Departure Related Problems of the 2021 Chevrolet Blazer

Table 1 shows two common lane departure related problems of the 2021 Chevrolet Blazer. The number one most common problem is related to the assist (two problems). The second most common problem is related to the warning (one problem).

Table 1. Lane Departure related problems of Chevrolet Blazer

Problem Category Number of Problems
Assist problems
2
Warning problems
1

Recently reported Lane Departure problems of the 2021 Chevrolet Blazer

The Assist problem

The thermometer and thermometer sensor are glitching . The engine temp needle will not rise at all, the engine fan will run the whole time driving and then when it is turned off will run for 10 min . Right before this happens a notice shows the guided steering is being limited.   Read details...

The Warning problem

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,   Read details...


Lane Departure related problems in other Chevrolet Blazer model year vehicles:



Blazer Service Bulletins
Blazer Safety Recalls
Blazer Defect Investigations