OnStar Services

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 m ...

Guidelines
The RVC system has a guideline overlay that can help the driver align the vehicle when backing into a parking spot. To turn the guidelines on or off: 1. Shift into P (Park). 2. Press the CONFIG b ...

Consistency of Readings
Always check the fluid level at least twice using the procedure described previously. Consistency (repeatable readings) is important to maintaining proper fluid level. If readings are still inconsiste ...