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    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 v ...

    Safety Belts
    Refer to the following sections for important information on how to use safety belts properly. Safety Belts  . How to Wear Safety Belts Properly  . Lap-Shoulder Belt  . Lo ...

    Maintenance When Trailer Towing
    The vehicle needs service more often when pulling a trailer. See the Maintenance Schedule for more information. Things that are especially important in trailer operation are automatic transmission ...