Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle.
• Press 
and begin speaking to
answer the call.
• Press 
to ignore a call.
See also:
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...
Cleaning Exterior Lamps/Lenses
Use only lukewarm or cold water, a soft cloth and a car
washing soap to clean exterior lamps and lenses. Follow
instructions under Washing Your Vehicle. ...
How to Check AutomaticTransmission Fluid
Because this operation can be a little difficult, you
may choose to have this done at the dealership
service department.
If you do it yourself, be sure to follow all the
instructions here, or yo ...