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:
How to Add Coolant to the CoolantRecovery Tank
If you have not found a problem yet, but the
coolant level is not at the FULL COLD mark, add
a 50/50 mixture of clean, drinkable water and
DEX-COOL® engine coolant at the coolant
recovery tank.
...
Bluetooth (Infotainment Controls)
For information about how to navigate the menu system using the infotainment controls, see Operation
.
Pairing
A Bluetooth-enabled cell phone must be paired to the Bluetooth system first and then ...
TPMS Malfunction Light and Message
The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire pressure warning light flashes for about one minut ...