Chevrolet Silverado: Engine Exhaust / Running the Vehicle While Parked

Chevrolet Silverado 2019-2026 Owners Manual / Driving and Operating / Engine Exhaust / Running the Vehicle While Parked

It is better not to park with the engine running.

If the vehicle is left with the engine running, follow the proper steps to be sure the vehicle will not move. See Shifting Into Park and Engine Exhaust.

If parking on a hill and pulling a trailer, see Driving Characteristics and Towing Tips.

Engine Exhaust

Warning Engine exhaust contains carbon monoxide (CO), which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if: The vehicle idles in areas with poor ventilation (parking garages, tunnels, deep snow that may block underbody airflow or tail pipes)...

Automatic Transmission

Other information:

Chevrolet Silverado 2019-2026 Owners Manual: Hood

Warning For vehicles with auto engine stop/start, turn the vehicle off before opening the hood. If the vehicle is on, the engine will start when the hood is opened. You or others could be injured. Warning Components under the hood can get hot from running the engine...

Chevrolet Silverado 2019-2026 Owners Manual: Antilock Brake System (ABS)

The Antilock Brake System (ABS) helps prevent a braking skid and maintain steering while braking hard. ABS performs a system check when the vehicle is first driven. A momentary motor or clicking noise may be heard while this test is going on, and the brake pedal may move slightly...