See also:

Passing
More passing distance is needed when towing a trailer. Because the rig is longer, it is necessary to go farther beyond the passed vehicle before returning to the lane. ...

Exit Lighting
This allows selection of how long the exterior lamps stay on when leaving the vehicle and it is dark outside. Press SELECT when Exit Lighting is highlighted. Turn the Menu knob to select Of ...

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 ...