Unable to Connect to OnStar Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push 
to try the
call again or try again after driving a
few miles into another cellular area.
See also:
Other Rainy Weather Tips
Besides slowing down, other wet
weather driving tips include:
• Allow extra following distance.
• Pass with caution.
• Keep windshield wiping
equipment in good shape.
• Keep the windsh ...
UHP Controls
Use the buttons located on the
infotainment system and the
steering wheel to operate the UHP
system.
Steering Wheel Controls
Steering wheel controls can be
used to:
• Answer incoming call ...
PASS-Key® III+ Electronic
Immobilizer Operation
Your vehicle is equipped with PASS-Key® III+
(Personalized Automotive Security System)
theft-deterrent system. PASS-Key® III+ is a
passive theft-deterrent system.
The system is automatically ...