Lumbar Adjustment
Power Lumbar

If available, press and hold the front or rear of the control to increase or decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar support.
See also:
Keys
WARNING!
Leaving children in a vehicle with
the ignition key is dangerous for
many reasons. Children or others
could be badly injured or even
killed. They could operate the
power windows or ...
Engine Heater
The engine coolant heater, if available, can help in cold weather conditions
at or below −18°C (0°F) for easier starting and better fuel economy
during engine warm-up.
Plug in the coolant h ...
Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands—Free
Directory that is shared between the Bluetooth and OnStar systems.
The following commands are used to delete and store ph ...






