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FusesUsage
19 Integrated chassiscontrol module
20 Electronicsuspension controlmodule
21 Fuel pump powermodule
22 Upfitter 1
23 Upfitter 2
24 Front wiper
25 ABS Valves
26 Upfitter 2
27 Upfitter 3
28 Right parkinglamps
29 Left parking lamps
30 Upfitter 3
31 Upfitter 4
32 Upfitter 4
33 Reverse lamps
34 Engine controlmodule/Ignition
FusesUsage
35 A/C clutch
36 Heated mirrors
37 Upfitter 1
38 Centerhigh-mountedstoplamp
39 Miscellaneous/Ignition
40 Transmission/Ignition
41 Fuel pump 2
42 Cooling fan clutch
43 Engine
44 Fuel injectors A–odd
45 Fuel injectors B–even
46 O2 Sensor B
47 Throttle control
48 Horn
49 Fog lamps
50 O2 Sensor A
FusesUsage
51 Engine controlmodule
52 Interior heater
53 Accessory powermodule/TPM pump
54 Front washer
55 A/C/Batteryregulated voltagecontrol
56 A/C module/Battery pack
57 Transmissioncontrol module/Engine controlmodule
58 Headlamps
74 Electric runningboards (ifequipped)
76 Fuel pump prime
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RelaysUsage
59 Fuel pump
60 Upfitter 2
61 Upfitter 3
62 Upfitter 4
63 Trailer parkinglamps
64 Run/Crank
65 Upfitter 1
66 Fuel pump 2
67 A/C control
68 Starter
69 Rear windowdefogger
70 Engine controlmodule
71 Cooling fan clutch
72 CKT 95
73 CKT 92
75 Fuel pump prime
Instrument Panel Fuse
Block (Right)
The right instrument panel fuseblock access door is on thepassenger side edge of theinstrument panel.
Pull off the cover to access the fuseblock.
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394 Vehicle Care
The vehicle may not be equippedwith all of the fuses, relays, andfeatures shown.
Fuses Usage
1Accessorypoweroutlet 3
Fuses Usage
2Accessorypoweroutlet 4
7Bodycontrolmodule4
8Bodycontrolmodule8
9Rearseatentertainment
10 Cargo lamp
15 Steering wheelcontrols
18 Radio
19–
20 Sunroof
23 Airbag/Info
26 Export/Power take off/SEO battery 1
27 Obstacle detection/USB ports
28 Body control module 2
32 SEO battery 2
35 AC inverter
36 Amplifier
37–
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FusesUsage
39 Rear sliding window
42 Right door windowmotor
43 Front blower
44 SEO
45 Body control module 6
46 Body control module 7
47 Passenger seat
50 Retained accessorypower
51 Rear slidingwindow open
52 Rear sliding windowclose
Instrument Panel Fuse
Block (Left)
The left instrument panel fuse blockaccess door is on the driver sideedge of the instrument panel.
Pull off the cover to access the fuseblock.
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396 Vehicle Care
The vehicle may not be equippedwith all of the fuses, relays, andfeatures shown.
Fuses Usage
1Accessorypoweroutlet 2
Fuses Usage
2SEO/Retainedaccessory power
3Universalremotesystem/Interiorrearview mirror
6Bodycontrolmodule3
7Bodycontrolmodule5
8Driverwindowswitch/Mirror switch
9–
10 Accessory poweroutlet/Retainedaccessory power
11 A c c e s s o r y p o w e routlet battery
12 Accessory poweroutlet 1/Cigarettelighter
13 Discrete logic ignitionswitch
14 Switch backlighting
17 Body control module 1
19–
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FusesUsage
20–
22 HVAC/AuxiliaryHVAC/Ignition
23 Instrument cluster/Ignition sensingdiagnostic module/Ignition
24–
25 Data link connector/Driver seat module
26 Passive entry/Passivestart/HVAC
27–
28–
29 Park enable/Electrically adjustablepedals
30 SEO
31 Accessory/Run/Crank
32 Heated steering wheel
33–
34 Instrument cluster
36–
FusesUsage
37–
38 4WD TREC
40 Left doors
41 Driver power seat
43 Left heated, cooled orventilated seats (ifequipped)
44 Right heated, cooledor ventilated seats (ifequipped)
45–
49 Retained accessorypower
50 Run/Crank
Wheels and Tires
Tires
Every new GM vehicle has
high-quality tires made by a
leading tire manufacturer. See
the warranty manual for
information regarding the tire
warranty and where to get
service. For additional
information refer to the tire
manufacturer.
{Warning
.Poorly maintained and
improperly used tires are
dangerous.
.Overloading the tires can
cause overheating as a
result of too much
flexing. There could be a
blowout and a serious
crash. SeeVehicle Load
Limits0259.
(Continued)
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Warning (Continued)
.Underinflated tires pose
the same danger as
overloaded tires. The
resulting crash could
cause serious injury.
Check all tires frequently
to maintain the
recommended pressure.
Tire pressure should be
checked when the tires
are cold.
.Overinflated tires are
more likely to be cut,
punctured, or broken by
asuddenimpact—such
as when hitting a pothole.
Keep tires at the
recommended pressure.
.Worn or old tires can
cause a crash. If the
tread is badly worn,
replace them.
(Continued)
Warning (Continued)
.Replace any tires that
have been damaged by
impacts with potholes,
curbs, etc.
.Improperly repaired tires
can cause a crash. Only
the dealer or an
authorized tire service
center should repair,
replace, dismount, and
mount the tires.
.Do not spin the tires in
excess of 56 km/h
(35 mph) on slippery
surfaces such as snow,
mud, ice, etc. Excessive
spinning may cause the
tires to explode.
All-Season Tires
This vehicle may come withall-season tires. These tires aredesigned to provide good overallperformance on most road surfaces
and weather conditions. Originalequipment tires designed to GM'sspecific tire performance criteriahave a TPC specification codemolded onto the sidewall. Originalequipment all-season tires can beidentified by the last two charactersof this TPC code, which willbe“MS.”
Consider installing winter tires onthe vehicle if frequent driving onsnow or ice-covered roads isexpected. All-season tires provideadequate performance for mostwinter driving conditions, but theymay not offer the same level oftraction or performance as wintertires on snow or ice-covered roads.SeeWinter Tires0398.
Winter Tires
This vehicle was not originallyequipped with winter tires. Wintertires are designed for increasedtraction on snow and ice-coveredroads. Consider installing wintertires on the vehicle if frequentdriving on ice or snow coveredroads is expected. See your dealer
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for details regarding winter tireavailability and proper tire selection.Also, seeBuying New Tires0415.
With winter tires, there may bedecreased dry road traction,increased road noise, and shortertread life. After changing to wintertires, be alert for changes in vehiclehandling and braking.
If using winter tires:
.Use tires of the same brand andtread type on all four wheelpositions.
.Use only radial ply tires of thesame size, load range, andspeed rating as the originalequipment tires.
Winter tires with the same speedrating as the original equipment tiresmay not be available for H, V, W, Y,and ZR speed rated tires. If wintertires with a lower speed rating arechosen, never exceed the tire'smaximum speed capability.
Low-Profile Tires
If the vehicle has P275/55R20,
P285/50R20, or P285/45R22
size tires, they are classified as
low-profile tires.
Caution
Low-profile tires are more
susceptible to damage from road
hazards or curb impact than
standard profile tires. Tire and/or
wheel assembly damage can
occur when coming into contact
with road hazards like potholes,
or sharp edged objects, or when
sliding into a curb. The warranty
does not cover this type of
damage. Keep tires set to the
correct inflation pressure and
when possible, avoid contact with
curbs, potholes, and other road
hazards.
All-Terrain Tires
This vehicle may have all-terraintires. These tires provide goodperformance on most road surfaces,weather conditions, and for off-roaddriving. SeeOff-Road Driving0251.
The tread pattern on these tires maywear more quickly than other tires.Consider rotating the tires morefrequently than at 12 000 km(7,500 mi) intervals if irregular wearis noted when the tires areinspected. SeeTireInspection0411.
Tire Sidewall Labeling
Useful information about a tire is
molded into the sidewall. The
examples show a typical
passenger and light truck tire
sidewall.