It is better not to park with the vehicle running. If the vehicle is left while running, follow the proper steps to be sure the vehicle will not move and there is adequate ventilation.
See Shifting Into Park and Engine Exhaust.
If the vehicle is left parked while running and the Remote Keyless Entry (RKE) transmitter is outside the vehicle, the vehicle will turn off after one hour. If the vehicle is left parked while running and the RKE transmitter is inside, the vehicle will turn off after two hours.
The timer will reset if the vehicle is taken out of P (Park) while it is running.
Shifting out of Park
Engine ExhaustHydraulic Brake System Bleeding (Pressure) Hydraulic Brakes
Warning:Refer toBrake Fluid Irritant Warning.Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution.Caution:Only use products that comply with GM specifications andcheck manufacturer information respectively. We recommend the useof GM genuine products. Instructions must be fo ...