GMC Sierra

GMC Sierra

GMC Sierra

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Making a Call
To make a call: 1. Press 5 once or twice (depending on the radio). 2. Enter the phone number. 3. Select Call to start dialing the number. ...

Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). For all other vehicles, use only the unleaded gasolin ...

Engine Cooling System Messages
A/C OFF DUE TO HIGH ENGINE TEMP This message displays when the engine coolant becomes hotter than the normal operating temperature. To avoid added strain on a hot engine, the air conditioning com ...