Operation
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.
...
Running the Engine While Parked
It is better not to park with the engine running. But if
you ever have to, here are some things to know.
CAUTION:
Idling the engine with the climate control
system off could allow dangerous exha ...
Add-on Electrical Equipment
The OnStar system is integrated
into the electrical architecture of the
vehicle. Do not add any electrical
equipment. See Add-On Electrical
Equipment. Added
electrical equipment may interfer ...
