GMC Sierra Owners Manuals

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Services for People with Disabilities
Advisors provide services to help subscribers with physical disabilities and medical conditions. Push for help with: • Locating a gas station with an attendant to pump gas. • Finding a hotel, ...

Tire Rotation and Required Services Every 12 000 km/7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation on page 10‑68. • Check engine oil level and oil life percentage. If needed, change engi ...

Tire Pressure
Tires need the correct amount of air pressure to operate effectively. Notice: Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can r ...