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 compact spare tire, see Compact Spare Tire on page 10‑75.

    See also:

    Speedometer
    The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

    Replacing Airbag System Parts after a Crash
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    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 Diagnos ...