Electrical System; Electrical System Overload - Buick Regal 2018 Owner's Manual

2. Remove the rear cargo area
trim panel push pin.
3. Pull the rear cargo area trim
panel back to gain access to
the taillamp assembly.
4. Remove the two nuts that
secure the taillamp assembly.
5. Remove the taillamp assembly
and disconnect the wiring
harness connector.
6. Turn the bulb socket
counterclockwise to remove it.
7. Pull the bulb from the socket.
8. Install a new bulb.
9. Turn the bulb socket clockwise
to install it.
10. Reverse Steps 2 4 to reinstall
the taillamp assembly.
Vehicle Care

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.
Replace a bad fuse with a new one
of the identical size and rating.
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.
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