OnStar Services
See also:
When to Add Engine Oil
When to Add Engine Oil
If the oil is below the cross-hatched
area at the tip of the dipstick, add
1 L (1 qt) of the recommended oil
and then recheck the level. See
“Selecting the Right En ...
Theft-Deterrent Feature
THEFTLOCK® is designed to discourage theft
of your vehicle’s radio. The feature works
automatically by learning a portion of the Vehicle
Identification Number (VIN). If the radio is
moved to a ...
Setting the Tone (Bass/Midrange/Treble)
AUDIO: Push and release the AUDIO knob until
BASS, MID (midrange) (without Bose®), or TREB
(treble) displays. Turn the knob to increase or to
decrease the tone. The display shows the bass,
midran ...
