Special Application Services

• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.

• Have underbody flushing service performed once a year.

    See also:

    Pulling a Trailer
    Here are some important points: . There are many laws, including speed limit restrictions that apply to trailering. Check for legal requirements with state or provincial police. . Do not t ...

    Instrument Panel Brightness
    Press the knob located next to the exterior lamps knob to extend it. Turn the knob to adjust the instrument panel lights. Turn the knob all the way up to turn on the interior lamps. Press the k ...

    Hands-Free Calling
    1. Push . System responds: “OnStar ready.”. 2. Say “Dial.” System responds: “Please say the name or number to call.”. 3. Say the entire number without pausing, including a “1” ...