Original GMC owner’s manual. Designed to complement your Sierra and covers topics like: Introduction, Instrument Cluster, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting safety defects(U.S.only), Cleaning, Maintenance and Specifications, Engine compartment, Engine oil, Battery, Fuel information, Air filter(s), Refill capacities, Lubricant specifications, Accessories. All you ever need to go with your Sierra. PDF document just download, click and it will open.