Conversions and Add-Ons
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first.
Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's warranty. Some add-on electrical equipment can keep other components from working as they should.
Add-on equipment can drain the vehicle's 12-volt battery, even if the vehicle is not operating.
The vehicle has an airbag system.
Before attempting to add anything electrical to the vehicle, see Servicing the Airbag-Equipped Vehicle and Adding Equipment to the Airbag-Equipped Vehicle .
See also:
Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is
heard in the vehicle.
Press to answer the call.
Press to ignore a call.
...
Navigation
This display is used for the OnStar
or Navigation System Turn-by-Turn
guidance. See OnStar Overview or the navigation manual,
if the vehicle has navigation, for
more information. ...
Muting a Call
During a call, all sounds from inside the vehicle can be
muted so that the person on the other end of the
call cannot hear them.
To Mute a call
1. Press . The system responds
with “Ready” ...