Chevrolet Express 2025 - Conversions and Add-Ons Add-On Electrical Equipment

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18528029) - 2025
Driving and Operating 167
Conversions and Add-Ons
A
dd
-On Electrical Equipment
{ Warning
Th
e Data Link Connector (DLC) is used for
veh
icle service and Emission Inspection/
Maintenance testing. See Malfunction
Indicator Lamp (Check Engine Light) 376.
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
att
empting to add anything electrical to the
vehicle, see Servicing the Airbag-Equipped
Vehicle 342 and Adding Equipment to the
Airbag-Equipped Vehicle 343.