Page 280 of 388

Black plate (26,1)Buick Verano Owner Manual - 2012 - CRC - 1/10/12
10-26 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.
Headlamp Wiring
An electrical overload may cause
the lamps to go on and off, or in
some cases to remain off. Have the
headlamp wiring checked right away
if the lamps go on and off or
remain off.
Windshield Wipers
If the wiper motor overheats due to
heavy snow or ice, the windshield
wipers will stop until the motor
cools, and the wiper control is
turned off. After removal of the
blockage, the wiper motor will
restart when the control is moved to
the desired operating position.
Although the circuit is protected
from electrical overload, overload
due to heavy snow or ice may
cause wiper linkage damage.
Always clear ice and heavy snow
from the windshield before using the
windshield wipers.
If the overload is caused by an
electrical problem and not snow or
ice, be sure to get it fixed.
Fuses and Circuit
Breakers
The wiring circuits in the vehicle are
protected from short circuits by a
combination of fuses and circuit
breakers. This greatly reduces the
chance of damage caused by
electrical problems.
To check a fuse, look at the
silver-colored band inside the fuse.
If the band is broken or melted,
replace the fuse. Be sure to replace
a bad fuse with a new one of the
identical size and rating.
Fuses of the same amperage can
be temporarily borrowed from
another fuse location, if a fuse goes
out. Replace the fuse as soon as
possible.
To identify and check fuses, circuit
breakers, and relays, seeEngine
Compartment Fuse Block on
page 10‑27, Instrument Panel Fuse
Block on page 10‑30, and Rear
Compartment Fuse Block on
page 10‑32.
Page 281 of 388
Black plate (27,1)Buick Verano Owner Manual - 2012 - CRC - 1/10/12
Vehicle Care 10-27
Engine Compartment
Fuse Block
To open the fuse block cover, press
the clips at the front and back and
rotate the cover up to the side.
Notice:Spilling liquid on any
electrical component on the
vehicle may damage it. Always
keep the covers on any electrical
component.
Engine Compartment Fuse Block
A fuse puller is located in the engine
compartment fuse block.
The vehicle may not be equipped
with all of the fuses, relays, and
features shown. Mini
Fuses Amps Usage
1 20A Engine Control
Module
2 10A Oxygen Sensor/
Purge Solenoid
Page 283 of 388
Black plate (29,1)Buick Verano Owner Manual - 2012 - CRC - 1/10/12
Vehicle Care 10-29
Mini
Fuses Amps Usage
49 20A Fuel Pump
50 –Empty
51 5A Inside Rear View
Mirror
52 –Empty
53 10A Ignition Engine
Control Module/
Transmission
Control Module
54 7.5A Instrument Panel
Cluster/Fuel
System Control
Module/Heater,
Ventilation, and
Air Conditioning
Run/Crank J-Case
Fuses Amps Usage
16 30A Starter Control
18 30A Rear Window
Defogger
19 30A Front Power
Window
20 30A Rear Power
Window
21 30A Antilock Brake
System Valves
23 –Empty
27 50A Spare
28 –Empty J-Case
Fuses Amps Usage
29 30A Electric Parking
Brake
30 60A Antilock Brake
System Pump
42 40A Engine
Cooling Fan
43 30A Front Wipers
44 –Empty
45 30A Engine
Cooling Fan
48 60A Engine
Cooling Fan
Page 284 of 388
Black plate (30,1)Buick Verano Owner Manual - 2012 - CRC - 1/10/12
10-30 Vehicle Care
RelaysUsage
1 Empty
2 Starter
3 Engine Control
Powertrain
4 Rear Window
Defogger
5 Empty
6 Empty
7 Spare
8 Empty
9 Spare
10 EGR/Coolant Pump/
AIR Solenoid Valve
11 Engine Cooling Fan
12 Engine Cooling Fan
13 Engine Cooling Fan
14 Run/CrankInstrument Panel Fuse
Block
The instrument panel fuse block is
on the driver side of the instrument
panel. To access the fuses:
1. Access the fuse block by opening the storage
compartment.
2. Pull straight down and out to remove the storage
compartment.
3. Remove the cover.
To reinstall the cover, line up the
retainers and push into place.
Instrument Panel Fuse Block
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.
Page 285 of 388
Black plate (31,1)Buick Verano Owner Manual - 2012 - CRC - 1/10/12
Vehicle Care 10-31
Fuses Amps Usage1 2A Body Control
Module
2 20A Body Control
Module
3 20A Body Control
Module
4 20A Infotainment
System
5 10A Information
Display/
Parking
Assist
6 20A Ignition/
Electronic
Key System
7 20A Power Outlet
8 30A Body Control
Module
9 30A Body Control
Module
10 30A Body Control
Module Fuses Amps Usage
11 40A Interior Fan
12 25A Driver
Power Seat
13 –Not Used
14 7.5A Diagnostic
Connector
15 10A Airbag
16 10A Central
Locking
System/
Tailgate
17 10A Air
Conditioning
System
18 30A Infotainment
System
19 30A Body Control
Module
20 5A Passenger
Power Seat Fuses Amps Usage
21 7.5A Instrument
Cluster
22 2A/5A Ignition/
Electronic
Key System
23 20A Body Control
Module
24 20A Body Control
Module
25 –Not Used
26 –Not Used
Relays Usage 1 Trunk Open
2 Door Security
3 Power Outlet
Page 286 of 388
Black plate (32,1)Buick Verano Owner Manual - 2012 - CRC - 1/10/12
10-32 Vehicle Care
Rear Compartment Fuse
Block
The rear compartment fuse block,
if equipped, is located on the left
side of the trunk behind a cover.
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.Mini
Fuses Amps Usage
F02 –Empty
F03 5A Rear Park
Assist Mini
Fuses Amps Usage
F04 –Empty
F06 –Empty
F07 10A Spare
F08 –Empty
Page 301 of 388

Black plate (47,1)Buick Verano Owner Manual - 2012 - CRC - 1/10/12
Vehicle Care 10-47
9. Proceed to the passenger sidefront tire, and repeat the
procedure in Step 8.
10. Proceed to the passenger side rear tire, and repeat the
procedure in Step 8.
11. Proceed to the driver side rear tire, and repeat the procedure
in Step 8. The horn sounds
two times to indicate the
sensor identification code has
been matched to the driver
side rear tire, and the TPMS
sensor matching process
is no longer active. The TIRE
LEARNING ACTIVE message
on the DIC display screen
goes off.
12. Turn the ignition to LOCK/OFF.
13. Set all four tires to the recommended air pressure
level as indicated on the Tire
and Loading Information label.Tire Inspection
We recommend that the tires,
including the spare tire, if the
vehicle has one, be inspected
for signs of wear or damage at
least once a month.
Replace the tire if:
.The indicators at three or
more places around the tire
can be seen.
.There is cord or fabric
showing through the tire's
rubber.
.The tread or sidewall is
cracked, cut, or snagged
deep enough to show cord or
fabric.
.The tire has a bump, bulge,
or split.
.The tire has a puncture, cut,
or other damage that cannot
be repaired well because of
the size or location of the
damage.
Tire Rotation
Tires should be rotated every
12 000 km (7,500 mi). See
Maintenance Schedule on
page 11‑3.
Tires are rotated to achieve
a uniform wear for all tires.
The first rotation is the most
important.
Any time unusual wear is
noticed, rotate the tires as
soon as possible and check the
wheel alignment. Also check
for damaged tires or wheels.
SeeWhen It Is Time for New
Tires on page 10‑48 andWheel
Replacement on page 10‑54.
Page 305 of 388

Black plate (51,1)Buick Verano Owner Manual - 2012 - CRC - 1/10/12
Vehicle Care 10-51
The Tire and Loading
Information label indicates the
original equipment tires on the
vehicle. SeeVehicle Load Limits
on page 9‑10 for the label
location and more information
about the Tire and Loading
Information label.
Different Size Tires and
Wheels
If wheels or tires are installed that
are a different size than the original
equipment wheels and tires, vehicle
performance, including its braking,
ride and handling characteristics,
stability, and resistance to rollover
may be affected. If the vehicle has
electronic systems such as antilock
brakes, rollover airbags, traction
control, and electronic stability
control, the performance of these
systems can also be affected.
{WARNING
If different sized wheels are used,
there may not be an acceptable
level of performance and safety
if tires not recommended for
those wheels are selected. This
increases the chance of a crash
and serious injury. Only use GM
specific wheel and tire systems
developed for the vehicle, and
have them properly installed by a
GM certified technician.
See Buying New Tires on
page 10‑49 andAccessories and
Modifications on page 10‑3.
Uniform Tire Quality
Grading
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example:
Treadwear 200 Traction AA
Temperature A
The following information relates
to the system developed by the
United States National Highway
Traffic Safety Administration
(NHTSA), which grades tires
by treadwear, traction, and
temperature performance. This
applies only to vehicles sold in
the United States. The grades
are molded on the sidewalls
of most passenger car tires.