Rear Seat Pass-Through Door
Some vehicles have a rear seat pass-through door in the center of the rear seatback. Fold down the center armrest and push down on the latch to open the door.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in
sand, mud, ice, or snow.
If stuck too severely for the traction system to free the vehicle, turn the
traction system off an ...
Automatic Transmission
Driver Shift Control (DSC) or
Tap Shift
Driver Shift Control (DSC) allows
shifting an automatic transmission
similar to a manual transmission.
DSC can be enabled through the
shift lever or t ...