See also:

Radio(s)
VOL/ : Press to turn the system on and off. Turn to increase or decrease the volume. RADIO/BAND or SOURCE: Press to choose between FM, AM, or XM™, if equipped. Menu Knob: Turn to select r ...

Volume Control
VOL/ (Volume/Power): Turn to adjust the volume. (Phone/Mute): For vehicles with OnStar®, press and hold to mute the infotainment system. Press and hold again, or turn the VOL/ knob t ...

At Each Fuel Fill
Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. Notice: It is important to check your oil regularly and keep it at the proper level. Failure to keep your ...