Power Door Locks

(Unlock): Press to unlock
all doors.
(Lock): Press to lock all
doors.
See “Power Door Locks” in Vehicle Personalization .
See also:
Engine Cooling when Trailer
Towing
The cooling system may temporarily
overheat during severe operating
conditions. See Engine Overheating. ...
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 ...
Connecting and Controlling a USB Drive (Radio with CD and Radio with
CD/DVD/MEM)
The infotainment system can only
play back .mp3 and .wma files from
a USB drive.
Only the first 2,500 songs are
recognized on the device.
When a device is not supported, the
message “No su ...
