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:

    Trip/Fuel Menu Items
    Press MENU on the turn signal lever until the Trip/Fuel Menu is displayed. Use to scroll through the following menu items: Digital Speedometer Trip 1 Trip 2 Fuel Range Average Fuel Eco ...

    Using Voice Commands During a Planned Route
    Cancel Route 1. Push . System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?”. 2. Sa ...

    Outside Air Temperature Display
    A new outside temperature reading will be displayed if the vehicle has been off for more than three hours. If the vehicle has been off for less than three hours, the old temperature reading may be ...