See also:

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 min ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...

READY TO LEARN ELECTRONIC KEY # X
If the vehicle has the keyless access system, this message displays while matching new transmitters to the vehicle. See the keyless access information for Remote Keyless Entry (RKE) System ...