See also:

Bulb Replacement
For the proper type of replacement bulbs, see Replacement Bulbs on page 10‑29. For any bulb-changing procedure not listed in this section, contact your dealer. ...

Online Owner Center
Manage your vehicle (U.S.) at gmc.com. Click on “Owners,” then “Manage My GMC/Owners Login.” Information and services customized for your specific vehicle — all in one convenient place. � ...

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 ...