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 minut ...

Retained Accessory Power (RAP)
These vehicle accessories may be used for up to 10 minutes after the engine is turned off: Audio System Power Windows Sunroof The power windows and sunroof will continue to work for up to ...

TTY Users
OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle acce ...