Back-Up Lamps; Electrical System; Electrical System Overload - Cadillac XT4 Owner's Manual

308 VEHICLE CARE

Back-Up Lamps

To replace one of these bulbs:
1. Remove the fasteners to remove
the trailer hitch cover.
2. Access the lamp through the
opening in the underbody.
3. Disconnect the electrical connector
from the bulb assembly.
4. Turn the bulb socket anticlockwise
and pull the bulb straight out of
the socket.
5. Replace the bulb and reverse Steps
1 4 to reinstall.

Electrical System

Electrical System Overload

The vehicle has fuses and circuit
breakers to protect against an
electrical system overload.
When the current electrical load is too
heavy, the circuit breaker opens and
closes, protecting the circuit until the
current load returns to normal or the
problem is fixed. This greatly reduces
the chance of circuit overload and fire
caused by electrical problems.
Fuses and circuit breakers protect
power devices in the vehicle.
If there is a problem on the road and
a fuse needs to be replaced, the
same amperage fuse can be borrowed.
Choose some feature of the vehicle
that is not needed to use and replace
it as soon as possible.
To check a fuse, look at the band
inside the fuse. If the band is broken
or melted, replace the fuse. Be sure to
replace a bad fuse with a fuse of the
identical size and rating.