See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

When the System Does Not Seem To Work Properly
The RVC system might not work properly or display a clear image if: The RVC is turned off. See “Turning the RVC System On or Off” earlier in this section. It is dark. The sun or the beam of ...

Rear Seats
The vehicle's second-row seats have head restraints in the outboard seating positions that cannot be adjusted. The vehicle's third-row seats, if equipped, have adjustable headrests in the ...