Horn

Press Windshield Wiper/Washer on the steering wheel pad to sound the horn.

    See also:

    Customer Assistance Offices (U.S. and Canada)
    GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States GMC Customer Assistance ...

    Ignition Transmission Lock Check
    While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. ○ The ignition should turn to LOCK/OFF only when the shift lever is in P (Park ...

    Oil Pressure
    This display shows the oil pressure in either kilopascals (kPa) or pounds per square inch (psi). ...