Leaving the Vehicle With the Engine Running :: Shifting Into Park :: Starting and Operating :: Driving and Operating :: GMC Sierra Owners Manuals :: GMC Sierra

Leaving the Vehicle With the Engine Running

GMC Sierra / GMC Sierra Owners Manuals / Driving and Operating / Starting and Operating / Shifting Into Park / Leaving the Vehicle With the Engine Running

WARNING
It can be dangerous to leave the vehicle with the engine running.

The vehicle could move suddenly if the shift lever is not fully in P (Park) with the parking brake firmly set.

If you have four-wheel drive and the transfer case is in N (Neutral), the vehicle will be free to roll, even if the shift lever is in P (Park). So be sure the transfer case is in a drive gear — not in N (Neutral).

And, if you leave the vehicle with the engine running, it could overheat and even catch fire. You or others could be injured. Do not leave the vehicle with the engine running unless you have to.

If you have to leave the vehicle with the engine running, be sure your vehicle is in P (Park) and the parking brake is firmly set before you leave it. After you move the shift lever into P (Park), hold the regular brake pedal down. Then, see if you can move the shift lever away from P (Park) without first pulling it toward you. If you can, it means that the shift lever was not fully locked into P (Park).

Leaving the Vehicle With the Engine Running

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