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: Fuel Gauge

Uplevel Metric Fuel Gauge Shown, Base Level and Midlevel Fuel Gauge Similar Uplevel English Fuel Gauge Shown, Base Level and Midlevel Fuel Gauge Similar When the ignition is on, the fuel gauge indicates about how much fuel is left in the tank...

Chevrolet Silverado 2019-2025 Owners Manual: Vehicle Alarm System

The indicator light, on the instrument panel near the windshield, indicates the status of the system. Off : Alarm system is disarmed. On Solid : Vehicle is secured during the delay to arm the system. Fast Flash : Vehicle is unsecured. A door or the hood is open...