One problem related to defogger has been reported for the 2006 GMC Sierra. The most recently reported issues are listed below.
Describe below is exactly what has occurred with my vehicle. However gm replacement part is defective and issue is under recall in canada???? not u. S. ??? part is being redesigned may be a couple of months?? being told will have to wait in mean time I have manually bring heat up from low and may have heat may have to shut down vehicle and start at low. Not very reassuring when temps are -40f below zero. . Read more...
| Blower problems | |
| Defogger problems | |
| Wiper problems |