Services for People with Disabilities

GMC Sierra / GMC Sierra Owners Manuals / OnStar / OnStar Additional Information / Services for People with Disabilities

Advisors provide services to help subscribers with physical disabilities and medical conditions.

Push • Locating a gas station with an attendant to pump gas. for help with:
• Locating a gas station with an attendant to pump gas.
• Finding a hotel, restaurant, etc., that meets accessibility needs.
• Providing directions to the closest hospital or pharmacy in urgent situations.

    See also:

    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. ...

    Four-Wheel Drive
    If the vehicle has Four-Wheel Drive, you can send the engine's driving power to all four wheels for extra traction. ...

    Parking Brake
    To set the parking brake, hold the regular brake pedal down, then push the parking brake pedal down. If the ignition is on, the brake system warning light will come on. See Brake System Warning ...