Chevrolet Silverado: Starting and Operating / Retained Accessory Power (RAP)

Chevrolet Silverado 2019-2025 Owners Manual / Driving and Operating / Starting and Operating / Retained Accessory Power (RAP)

When the ignition is turned from on to off, the following features (if equipped) will continue to function for up to 10 minutes, or until the driver door is opened. These features will also work when the ignition is in RUN or ACC/ACCESSORY:

Infotainment System
Power Windows (during RAP this functionality will be lost when any door is opened)
Sunroof (during RAP this functionality will be lost when any door is opened)
Auxiliary Power Outlet
Audio System
OnStar System

Engine Heater

If equipped, the engine heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18 °C (0 °F)...

Shifting Into Park

Warning It can be dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll...

Other information:

Chevrolet Silverado 2019-2025 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...

Chevrolet Silverado 2019-2025 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...