See also:

Thigh Support Adjustment
If available, adjust the manual leg extension by reaching under it, in the pocketed area. Press the button and pull or push to lengthen or shorten it. Release the button to lock it in plac ...

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 ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...