Automatic Door Locks
Vehicles with an automatic lock/unlock feature enable you to program the vehicle's power door locks. This feature can be programmed through the Driver Information Center (DIC). See Vehicle Personalization (With DIC Buttons) on page 5‑46 for more information.
See also:
Using Cruise Control on Hills
How well the cruise control will work on hills depends upon the vehicle speed, load, and the steepness of the hills. When going up steep hills, you might have to step on the accelerator pedal to maint ...
Manual Trailer Brake Apply
The Manual Trailer Brake Apply Lever is located on the Trailer Brake Control Panel and is used to apply the trailer’s electric brakes independent of the vehicle’s brakes.
This lever is used in th ...
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 vehic ...





