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: Driving for Better Fuel Economy

Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible: Set the climate controls to the desired temperature after the engine is started, or turn them off when not required. Avoid fast starts and accelerate smoothly...

Chevrolet Silverado 2019-2026 Owners Manual: Maintenance

List of Maintenance Reminders Add a New Maintenance Reminder The Maintenance Status view displays reminders. Touch a reminder to edit. Touch + New Maintenance Reminder to go to the Select New Reminder view. The progress bar turns yellow when the maintenance item reaches 90% complete...