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: Passenger Seat Belt Reminder Light

There may be a passenger seat belt reminder light near the passenger airbag status indicator. See Passenger Sensing System. For vehicles equipped with the passenger seat belt reminder light, when the vehicle is started this light flashes and a chime may come on to remind passengers to fasten their seat belt...

Chevrolet Silverado 2019-2026 Owners Manual: Engine Coolant Temperature Warning Light

This light comes on briefly while starting the vehicle. If it does not, have the vehicle serviced by your dealer. If the system is working normally the indicator light goes off. Caution The engine coolant temperature warning light indicates that the vehicle has overheated...