Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier.
• Press 
to answer an
incoming call when another call
is active. The original call is
placed on hold.
• Press again to return to
the original call.
• To ignore the incoming call, no action is required.
• Press 
to disconnect the
current call and switch to the call
on hold.
See also:
Automatic Dimming Rearview Mirror
The vehicle may have an automatic dimming inside
rearview mirror with OnStar® and/or a compass
display. Automatic dimming reduces the glare from
the headlamps of the vehicle behind you. The dim ...
Service All-Wheel Drive Light
This light should come
on briefly when you turn
on the ignition, as a
check to show you it
is working.
The service all-wheel drive light comes on to
indicate that there may be a problem with ...
Automatic Door Unlock
The doors will automatically unlock when the shift lever is moved into P (Park).
See Vehicle Personalization . ...