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: Securing Child Restraints (With the Seat Belt in the Front Passenger Seat)

This vehicle has airbags. A rear seat is a safer place to secure a forward-facing child restraint. See Where to Put the Restraint. In addition, the vehicle has a passenger sensing system which is designed to turn off the front outboard passenger frontal airbag under certain conditions...

Chevrolet Silverado 2019-2026 Owners Manual: Introduction

Danger, Warning, and Caution Warning messages found on vehicle labels and in this manual describe hazards and what to do to avoid or reduce them. Danger Danger indicates a hazard with a high level of risk which will result in serious injury or death...