Erasing Speed Memory
The cruise control set speed is
erased from memory by pressing 
or if the ignition is turned off.
See also:
Heated Mirrors
The vehicle has heated mirrors:
(Rear Window Defogger): Press to heat the mirrors.
See “Rear Window Defogger” under Dual Automatic Climate Control System for more information. ...
To Use the Engine Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord. The electrical cord is located
on the passenger side of the engine compartment, near the air cleaner.
3. Plug it into a n ...
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 ...