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: Automatic Transmission

If equipped, there is an electronic shift lever position indicator within the instrument cluster. This display comes on when the ignition is in ACC/ACCESSORY, on or service mode. There are several different positions for the shift lever. See Driver Mode Control and “Range Selection Mode” under Manual Mode...

Chevrolet Silverado 2019-2026 Owners Manual: Cybersecurity

GM collects information about the use of your vehicle including operational and safety related information. We collect this information to provide, evaluate, improve, and troubleshoot our products and services and to develop new products and services...