See also:

Entry Lighting
For vehicles with courtesy lamps, they come on and stay on for a set time whenever is pressed on the Remote Keyless Entry (RKE) transmitter. If a door is opened, the lamps stay on while it is open a ...

General Information
This maintenance section applies to vehicles with a gasoline engine. For diesel engine vehicles, see the maintenance schedule section in the Duramax Diesel Supplement. Your vehicle is an important in ...

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 ...