See also:

Steering Wheel Controls
Steering Wheel Controls For vehicles with audio steering wheel controls, some audio controls can be adjusted at the steering wheel. Press to interact with the available Bluetooth, OnStar, or navig ...

Setting the Clock
To set the time and date for the radio with CD (MP3): 1. Turn the ignition key to ACC/ACCESSORY or ON/RUN. 2. Press to turn the radio on. 3. Press and the HR, MIN, MM, DD, YYYY (hour, minut ...

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 v ...