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.
See also:
Warranty
OnStar equipment may be
warranted as part of the new-vehicle
limited warranty. The manufacturer
of the vehicle furnishes detailed
warranty information. ...
Adjusting the Equalizer (EQ)
If the radio has this feature, the EQ
can be adjusted between talk and
manual.
To choose an EQ setting:
1. Press the TUNE/TONE knob.
2. Select EQ.
3. Select Talk or Manual.
4. Press the Back ...
Rainsense™
For vehicles with Rainsense, a
sensor located near the top center
of the windshield detects the
amount of water on the windshield
and automatically controls the
frequency of the windshield w ...