2018 CHEVROLET EXPRESS aux

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374212) - 2018 - crc - 2/2/18
250 Vehicle Care
FusesUsage
3 Right trailer stoplamp/Turnlamp
4 –
5 –
6 Fuel system control module/Ignition
7 Body control module 5
8 Body control module 7
9 Body control module 4
10 Instrument cluster
11 Trailer wiring
12 –
13 Interior rear vision camera module
14 Windshield washer
16 Horn
17 Transmission
18 A/C Fuses
Usage
19 Engine control module battery
20 Cutaway/Left stoplamp/Turnlamp
21 Left trailer stoplamp/Turnlamp
22 Cutaway/Right stoplamp/Turnlamp
23 –
24 Fuel pump
25 Auxiliary power outlet
26 Body control module 3
27 Special equipment option
28 Airbag
29 Steering wheel sensor
30 Engine control module Ignition Fuses
Usage
31 Transmission control module
Ignition
32 Transmission control module 1
battery/Engine
control module
battery power (gas
6 cyl)
33 Rear parking aid module
34 –
35 –
36 Fuel system control module battery
41 Transmission control 2 module
battery power
42 Trailer wiring
43 –
44 Starter solenoid
45 Engine control module/Powertrain

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374212) - 2018 - crc - 2/2/18
Vehicle Care 251
FusesUsage
46 AC DC inverter
47 Cooling fan –low
51 Left high-beam headlamp
52 Right high-beam headlamp
53 Left low-beam headlamp
54 Right low-beam headlamp
55 Wipers
56 Canister vent solenoid
58 Body control module 2
59 Body control module 1
61 Engine oil solenoid
62 O2 sensor 2
63 –
64 Mass air flow/ Canister vent Fuses
Usage
65 Ignition/Injectors –odd
66 Daytime running lamps 2
67 Daytime running lamps 1
68 Auxiliary stoplamps
69 External power for trailer
70 Upfitter stoplamps
71 Fuel heater/Flex fuel sensor
72 Body control module 6
73 Lighter/Data link connector
74 Front blower
75 V6 fuel injectors
76 –
77 O2 sensor 1
78 Engine control module/Powertrain Fuses
Usage
79 Ignition/Injectors –even
Relays Usage
15 Run/Crank
37 –
38 Fuel pump
39 Crank
40 A/C compressor
48 –
49 Powertrain
50 –
57 Cooling fan –low
60 Cooling fan control

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374212) - 2018 - crc - 2/2/18
252 Vehicle Care
Auxiliary Fuse Block
This component is near the fuse
block in the engine compartmentFuses Usage
MR-1 Upfitter 1
MR-2 Upfitter 2
MR-3 Upfitter power control
Relays Usage
MR Rel 1 Upfitter 1
MR Rel 2 Upfitter 2 Mega Fuse HolderFuse
Usage
1 Starter motor

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374212) - 2018 - crc - 2/2/18
Vehicle Care 253
Floor Console Fuse Block
The floor console fuse block is under the driver seat.
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.Mini-Fuse Usage
F1 –
F2 Steering wheel sensor
F3 Auxiliary parking lamps
F4 Front parking lamps
F5 Trailer parking lamps
F6 Upfitter/Parking lamps
F7 Right rear parking lamp
F8 Left rear parking lamp
F9 Exterior rear mirror switch/ Door
lock-unlock control
upfitter
F10 Airbag/Automatic occupant sensing

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374212) - 2018 - crc - 2/2/18
254 Vehicle Care
Mini-Fuse UsageF11 –/ OnStar
F12 ECM batt
F13 HVAC 2
F14 HVAC 1
F15 –
F16 Upfitter 1
F17 Exterior rearview heated mirrors
F18 Rear window defogger
F19 Compass
F20 Radio/Chime/ SiriusXM satellite
radio
F21 Remote function actuator/Tire
pressure monitor
F22 Ignition switch/ Discrete logic
ignition sensor
F23 Instrument cluster
F24 – Mini-Fuse Usage
F25 HVAC control
F26 Auxiliary/Trailer reverse lamps
F27 Reverse lamps
F28 Upfitter 2/Reading lamps
F29 Rear blower
F30 Upfitter/Courtesy lamps
F31 Front door lock
F32 Rear door lock
F33 Cargo door unlock
F34 Passenger door unlock
F35 Rear passenger door unlock
F36 Driver door lock
F37 Empty
F38 – Relays Usage
K1 Run
K2 –
K3 Parking lamps
K4 Upfitter 2
K5 Rear defogger
K6 Retained accessory power
Circuit
Breaker Usage
CB1 Power seats
CB2 Power windows

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374212) - 2018 - crc - 2/2/18
Index 345
Automatic (cont'd)Transmission . . . . . . . . . . . . . . . . . 182
Transmission Fluid . . . . . . 223, 226
Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . 185
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . 241
Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . 143
Avoiding Untrusted Media Devices . . . . . . . . . . . . . . . . . . . . . . . 138
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 239
B
Battery Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 127
Load Management . . . . . . . . . . . . 127
Power Protection . . . . . . . . . . . . . 127
Battery - North America . . . . 238, 286
Blade Replacement, Wiper . . . . . 242
Bluetooth Overview . . . . . . . . . . . . . . . . . . . . . 148
Brake
System Warning Light . . . . . . . . 107
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 236 Antilock . . . . . . . . . . . . . . . . . . . . . . . 186
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 188 Brakes (cont'd)
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Parking . . . . . . . . . . . . . . . . . . . . . . . 187
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 164
Break-In, New Vehicle . . . . . . . . . . 173
Bulb Replacement
Center High-MountedStoplamp (CHMSL) . . . . . . . . . 246
Front Turn Signal,
Sidemarker, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . . . 245
Halogen Bulbs . . . . . . . . . . . . . . . . 244
Headlamp Aiming . . . . . . . . . . . . . 244
Headlamps . . . . . . . . . . . . . . . . . . . 244
License Plate Lamps . . . . . . . . . 247
Taillamps . . . . . . . . . . . . . . . . . . . . . 245
Buying New Tires . . . . . . . . . . . . . . . 271
C
Calibration . . . . . . . . . . . . . . . . . . . . . . . 93
California Fuel Requirements . . . . . . . . . . . 198
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 215
California Proposition
65 Warning . . . . . . . . . .214, 238, 286, Back CoverCamera
Rear Vision (RVC) . . . . . . . . . . . . 193
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . . . 315
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 181
Winter Driving . . . . . . . . . . . . . . . . 167
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . . . 88
Cargo Door Relocking . . . . . . . . . . . 30
Caution, Danger, and Warning . . . . 2
CD Player . . . . . . . . . . . . . . . . . . . . . . 138
Center High-Mounted
Stoplamp (CHMSL) . . . . . . . . . . . 246
Chains, Tire . . . . . . . . . . . . . . . . . . . . 276
Charging System Light . . . . . . . . . 104
Check
Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 105
Ignition Transmission Lock . . . 242
Child Restraints Infants and Young Children . . . . . 70
Lower Anchors and Tethersfor Children . . . . . . . . . . . . . . . . . . . 75
Older Children . . . . . . . . . . . . . . . . . . 68
Securing . . . . . . . . . . . . . . . . . . . . 82, 84
Systems . . . . . . . . . . . . . . . . . . . . . . . . 72

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11374212) - 2018 - crc - 2/2/18
346 Index
Cigarette Lighter . . . . . . . . . . . . . . . . . 96
Circuit Breakers . . . . . . . . . . . . . . . . 248
CleaningExterior Care . . . . . . . . . . . . . . . . . 292
Interior Care . . . . . . . . . . . . . . . . . . 296
Climate Control Systems . . . . . . . 156 Air Conditioning . . . . . . . . . . . . . . 156
Heating . . . . . . . . . . . . . . . . . . . . . . . 156
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Rear Heating System . . . . . . . . . 158
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Cluster, Instrument . . . . . . . . . . . . . . 98
Collision Damage Repair . . . . . . . 325
Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . . . 88
Compass . . . . . . . . . . . . . . . . . . . . . . . . 93
Connections
OnStar . . . . . . . . . . . . . . . . . . . . . . . 335
Control Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 188
Control of a Vehicle . . . . . . . . . . . . . 164
Convex Mirrors . . . . . . . . . . . . . . . . . . 36
Coolant Engine Temperature Gauge . . 101
Cooling . . . . . . . . . . . . . . . . . . . . 156, 158
Cooling System . . . . . . . . . . . . . . . . . 229 Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 324
Cruise Control . . . . . . . . . . . . . . . . . . 191 Light . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Customer Assistance . . . . . . . . . . . 321 Offices . . . . . . . . . . . . . . . . . . . . . . . . 320
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 321
Customer Information Service PublicationsOrdering Information . . . . . . . . 327
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 318
D
Damage Repair, Collision . . . . . . . 325
Danger, Warning, and Caution . . . . 2
Data CollectionInfotainment System . . . . . . . . . . 331
OnStar . . . . . . . . . . . . . . . . . . . . . . . 331
Data Recorders, Event . . . . . . . . . 330
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . . . 123
Defensive Driving . . . . . . . . . . . . . . . 163
Delayed Locking . . . . . . . . . . . . . . . . . 30
Devices Auxiliary . . . . . . . . . . . . . . . . . . . . . . 143 Diagnostics
OnStar . . . . . . . . . . . . . . . . . . . . . . . 337
Distracted Driving . . . . . . . . . . . . . . . 163
Dome Lamps . . . . . . . . . . . . . . . . . . . 126
Door Cargo Door Relocking . . . . . . . . . . 30
Delayed Locking . . . . . . . . . . . . . . . . 30
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Power Locks . . . . . . . . . . . . . . . . . . . . 30
Rear Doors . . . . . . . . . . . . . . . . . . . . . 33
Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Sliding . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Drive Belt Routing, Engine . . . . . . 317
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . 111
Driving
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 202
Defensive . . . . . . . . . . . . . . . . . . . . . 163
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 164
For Better Fuel Economy . . . . . . . 23
Hill and Mountain Roads . . . . . . 167
If the Vehicle is Stuck . . . . . . . . . 169
Loss of Control . . . . . . . . . . . . . . . 165
Off-Road Recovery . . . . . . . . . . . 165
Vehicle Load Limits . . . . . . . . . . . 169