Chevrolet Silverado: Conversions and Add-Ons / Add-On Electrical Equipment

Chevrolet Silverado 2019-2025 Owners Manual / Driving and Operating / Conversions and Add-Ons / Add-On Electrical Equipment

Warning

The Data Link Connector (DLC) is used for vehicle service and Emission Inspection/Maintenance testing. See Malfunction Indicator Lamp (Check Engine Light).

A device connected to the DLC — such as an aftermarket fleet or driver-behavior tracking device — may interfere with vehicle systems. This could affect vehicle operation and cause a crash. Such devices may also access information stored in the vehicle’s systems.

Caution

Some electrical equipment can damage the vehicle or cause components to not work and would not be covered by the vehicle warranty. Always check with your dealer before adding electrical equipment.

Add-on equipment can drain the vehicle's 12-volt battery, even if the vehicle is not operating.

The vehicle has an airbag system. Before attempting to add anything electrical to the vehicle, see Servicing the Airbag-Equipped Vehicle and Adding Equipment to the Airbag-Equipped Vehicle.

For information on wiring auxiliary switches, see www.gmupfitter.com or contact your dealer.

Conversions and Add-Ons

Adding a Snow Plow or Similar Equipment

Caution Do not exceed 72 km/h (45 mph) with a snow plow mounted to the vehicle. The vehicle could overheat and be damaged. Before installing a snow plow on the vehicle, follow these guidelines: Caution If the vehicle does not have the snow plow prep package, RPO VYU, adding a plow can damage the vehicle, and the repairs would not be covered by the vehicle warranty...

Other information:

Chevrolet Silverado 2019-2025 Owners Manual: Safety System Check

Periodically check the seat belt reminder, seat belts, buckles, latch plates, retractors, shoulder belt height adjusters (if equipped), and seat belt anchorages to make sure they are all in working order. Look for any other loose or damaged seat belt system parts that might keep a seat belt system from performing properly...

Chevrolet Silverado 2019-2025 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...