GMC Sierra Owners Manuals

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Owner Checks and Services
At Each Fuel Stop • Check the engine oil level. See Engine Oil on page 10‑8. Once a Month • Check the tire inflation pressures. See Tire Pressure on page 10‑44. • Inspect the ti ...

Shifting Out of Four-Wheel Drive Low
To shift from Four-Wheel Drive Low to Four-Wheel Drive High, AUTO or Two-Wheel Drive High, the vehicle must be stopped or moving less than 5 km/h (3 mph) with the transmission in N (Neutral) and the i ...

Using the “Re-dial” Command
1. Press and hold for two seconds. 2. After the tone, say “Re-dial.” Once connected, the person called will be heard through the audio speakers. ...