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

Chevrolet Silverado 2019-2026 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 2019-2026 Owners Manual: OnStar Additional Information

In-Vehicle Audio Messages Audio messages may play important information at the following times: Prior to vehicle purchase. Press to set up an account. After change in ownership and at 90 days. Transferring Service Press to request account transfer eligibility information...

Chevrolet Silverado 2019-2026 Owners Manual: Four-Wheel-Drive Light

Auto Mode Shown, Other Modes Similar If equipped, the four-wheel-drive light displays what mode the vehicle is in. The light will show each mode: 2WD, 4HI, AUTO (all transfer cases); 4LOW and N (two-speed transfer case only). The light will flash when a shift is in progress...