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:
Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard.
If the light next to the OnStar buttons is red, the system may not be functioning properly. Push and request a vehicle diagnos ...
Rear Window Defogger
(Rear Window Defogger):
Press to turn the rear window
defogger on or off.
The rear window defogger turns off
automatically after about
10 minutes. If turned on again it
runs for about five ...
Hydroplaning
Hydroplaning is dangerous. Water
can build up under the vehicle's
tires so they actually ride on the
water. This can happen if the road is
wet enough and you are going fast
enough. When the ...
