Total Weight on Your Vehicle's Tires

Be sure the vehicle's tires are inflated to the upper limit for cold tires. These numbers can be found on the Tire and Loading Information label. See Vehicle Load Limits . Make sure not to go over the GVW limit for the vehicle, including the weight of the trailer tongue.

    See also:

    Onstar.com
    The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle ...

    Navigation System
    If the vehicle has a navigation system, there is a separate Navigation System Manual that includes information on the radio, audio players, and navigation system. The navigation system provides detai ...

    When to Check
    Check the tires once a month or more. Do not forget the compact spare tire, if the vehicle has one. The cold compact spare should be at 420 kPa (60 psi). For additional information regarding the c ...