Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody.
Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop.
See also:
High/Low—Beam Headlamps (Uplevel)
The high/low beam headlamps on the uplevel are High Intensity Discharge
(HID) and should be replaced at the dealer. ...
Using Voice Commands During a Planned Route
Cancel Route
1. Push . System responds: “OnStar
ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel
route directions to your destination?”
2. Say “Yes.” System re ...
Adjusting the Speakers
(Balance/Fade)
BAL/FADE (Balance/Fade):
To adjust balance or fade:
1. Press the TUNE/TONE knob
until the speaker control tabs
display.
2. Continue pressing the TUNE/
TONE knob, or press the softkey
under ...