OnStar Services

See also:

When to Change Engine Oil
Your vehicle has a computer system that lets you know when to change the engine oil and filter. This is based on engine revolutions and engine temperature, and not on mileage. Based on driving c ...

Activating a Setting
1. Turn the Menu knob to highlight the setting. 2. Press SELECT to activate the setting. ...

Safety Belt Reminders
Driver Safety Belt Reminder Light There is a driver safety belt reminder light on the instrument panel cluster. When the engine is started this light begins to flash and a chime comes on for sever ...