The sunroof has an automatic reversal system that is only active when the sunroof
is operated in express-close mode.
If an object is in the path while express-closing, the reversal system will detect
an object, stop, and open the sunroof slightly...
Other information:
If the vehicle has a diesel engine, see the Duramax diesel supplement.
The engine compartment fuse block is in the engine compartment, on the passenger
side of the vehicle for 1500 and driver side of vehicle for 2500/3500.
Lift the cover to access the fuse block...
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand,
mud, ice, or snow. See “Rocking the Vehicle to Get It Out” later in this section.
The Traction Control/Electronic Stability Control can often help to free a stuck
vehicle...