One problem related to back up lights has been reported for the 2006 Chevrolet Trailblazer. The most recently reported issues are listed below.
The bearings on the alternator are wearing and need to be replaced, the vehicle only has 29,000 miles and according to my mechanic they should not be worn this early and should be replaced as soon as possible; this is definately a safety issue and a faulty part that I should not have to pay to have replaced. The fuel level indicator has stopped working over 2. 5 years ago. I did receive a letter saying that the part may wear out prematurely and they are willing to pay 50% of the replacement but if it wears out prematurely then the part is faulty and I should not have to pay to replace the part. The backup light panel is bad, I tried to replace the bulb but the problem lies with the panel, fauilty part again.