Cadillac XT4 - Conversions and Add-Ons; Add-On Electrical Equipment

Cadillac XT4 Owner Manual (GMNA-Localizing-Europe-15440913) - 2022 -
CRC - 5/13/21
284 DRIVING AND OPERATING
manufactured. Many trailer tyre
manufacturers recommend replacing
tyres more than six years old.
Overloading is another leading cause
of trailer tyre blowouts. Never load
your trailer with more weight than the
tyres are designed to support. The
load rating is located on the trailer
tyre sidewall.
Always know the maximum speed
rating for the trailer tyres before
driving. This may be significantly
lower than the vehicle tyre speed
rating. The speed rating may be on
the trailer tyre sidewall. If the speed
rating is not shown, the default trailer
tyre speed rating is 105 km/h
(65 mph).
Conversions and
Add-Ons
Add-On Electrical
Equipment
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Warning
The Data Link Connector (DLC) is
used for vehicle ser vice and
Emission Inspection/Maintenance
testing. See Malfunction Indicator
Lamp (Check Engine Light) 0 106.
A device connected to the DLC —
such as an aftermarket fleet or
driver-behaviour 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 not to work and would
(Continued)
Caution (Continued)
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 batter y, 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 0 63 and
Adding Equipment to the
Airbag-Equipped Vehicle 0 64.