See also:

Antilock Brake System (ABS)
This vehicle has the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid. When the engine is started and the vehicle begins to drive away, ABS check ...

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 days, OnS ...

Turning the System On and Off
The URPA system can be turned on and off using the infotainment system controls. See Vehicle Personalization on page 5‑33 for more information. When the system is off, PARK ASSIST OFF display ...