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:
Towing the Vehicle
Notice: To avoid damage, the disabled vehicle should be towed with all
four wheels off the ground. Care must be taken with vehicles that have low
ground clearance and/or special equipment. Always fl ...
Starting the Vehicle with a Low Transmitter Battery
If the transmitter battery is weak, the DIC may display NO REMOTE DETECTED
when you try to start the vehicle. The REPLACE BATTERY IN REMOTE KEY message
may also be displayed at this time.
To star ...
SIDE BLIND ZONE ALERT
SYSTEM OFF
This message indicates that the
driver has turned the system off. ...