When to Check

Check the tires once a month or more.

Do not forget the spare tire, if the vehicle has one.

SeeFull-Size Spare Tire on page 10‑91 for additional information.

    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 the vehic ...

    Installing the Third Row Seats
    To reinstall a third row seat: 1. Before installing the seat the seatback must be folded forward. See “Folding the Seatback” earlier in this section. The seats must be placed in the proper locat ...

    Initial Drive Information
    This section provides a brief overview about some of the important features that may or may not be on your specific vehicle. For more detailed information, refer to each of the features which can ...