Performance and Maintenance
See also:
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 ...
Starter Switch Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room arou ...
End a Call
Push . System responds: “Call
ended.” ...
