GMC Hummer EV 2023 Owner's Manual page 269

GMC Hummer EV Owner Manual (GMNA-Localizing-MidEast-16569278) -
2023 - CRC - 1/25/23
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.
When adding electrical equipment, it should
only be connected using the accessory
power outlets. The maximum power that
can be supplied by one accessory power
outlet or spread across all three is 200 watts
or 15 amps. Exceeding 200 watts or 15 amps
may cause erratic vehicle operation.
The vehicle has an airbag system. Before
attempting to add anything electrical to the
vehicle, see Servicing the Airbag-Equipped
Vehicle 0 60 and
Adding Equipment to the Airbag-Equipped
Vehicle 0 60.
Driving and Operating 269