2011 GMC Yukon Review

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Antilock Brake System (ABS) Warning Light
The ABS warning light comes on briefly when the ignition key is turned to ON/RUN. This is normal. If the light does not come on then, have it fixed so it will be ready to warn you if there is a pro ...

Security Light
The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your dealer ...

Shifting out of Park
The vehicle is equipped with an electronic shift lock release system. The shift lock release is designed to: • Prevent ignition key removal unless the shift lever is in P (Park) with the shift lev ...