GMC Sierra

GMC Sierra

GMC Sierra

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Trailer Brakes
A loaded trailer that weighs more than 900 kg (2,000 lbs) needs to have its own brake system that is adequate for the weight of the trailer. Be sure to read and follow the instructions for the trailer ...

Cruise Control Light
This light comes on whenever the cruise control is set. The light goes out when the cruise control is turned off. See Cruise Control on page 9‑32 for more information. ...

Anti-theft Alarm System Messages
SERVICE THEFT DETERRENT SYSTEM This message displays when there is a problem with the theft-deterrent system. The vehicle may or may not restart so you may want to take the vehicle to your dealer bef ...