Highway Hypnosis

Always be alert and pay attention to your surroundings while driving.

If you become tired or sleepy, find a safe place to park the vehicle and rest.

Other driving tips include:
• Keep the vehicle well ventilated.
• Keep the interior temperature cool.
• Keep your eyes moving — scan the road ahead and to the sides.
• Check the rearview mirror and vehicle instruments often.

    See also:

    Recommended Fuel
    Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when dri ...

    Steering Wheel Adjustment
    To adjust the steering wheel: 1. Pull the lever (A) down. 2. Move the steering wheel up or down. 3. Pull or push the steering wheel closer or away from you. 4. Pull the lever (A) up to lock the ...

    Interior
    The Sierra showcases two different interior designs. Work Truck and SLE models are more utility-minded, with large controls and door handles that can be operated while wearing gloves. The SLT offe ...