Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Adding Equipment to the Outsideof Your Vehicle
Things you might add to the outside of your
vehicle can affect the airflow around it. This may
cause wind noise and affect windshield washer
performance. Check with your dealer before
adding equip ...
Dual Tone Multi-Frequency
(DTMF) Tones
The in-vehicle Bluetooth system can
send numbers during a call. This is
used when calling a menu-driven
phone system.
1. Turn the Menu knob to select
Enter Number, then press
SELECT.
2. En ...
Headlamps on Reminder
A reminder tone sounds when the headlamps or
parking lamps are manually turned on, if the
driver’s door is open and the ignition is in LOCK
or ACC. To turn the tone off, turn the knob all
the wa ...