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 .

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    Loading Your Vehicle for Off-RoadDriving
    CAUTION: • Cargo on the load floor piled higher than the seatbacks can be thrown forward during a sudden stop. You or your passengers could be injured. Keep cargo below the top of the seat ...

    Your Responsibility
    Increase the volume of the radio if the OnStar advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Press and request a vehicle ...

    3.5mm Jack
    Connect a 3.5mm (1/8 in) cable to the auxiliary input jack to use a portable audio player. Playback of an audio device that is connected to the 3.5mm jack can only be controlled using the control ...