Page 346 of 478
Black plate (46,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
10-46 Vehicle Care
RelaysUsage
12 Horn
20 Headlamp Washer (HID Only)
21 Cooling Fan (Series/ Parallel)
32 Air Conditioning Compressor Clutch
39 Not Used
42 Right Daytime Running Lamp,
Trailer Turn Signal
44 Low‐Beam (non‐ HID), Left Daytime
Running Lamps
(HID), Left Trailer
Turn Signal
(Export Only)
45 Front Fog Lamps (HID Only)
48 High‐Beam Headlamps Relays
Usage
49 Daytime Running Lamps (Non‐HID),
Low‐Beam
Headlamps (HID)
53 Not Used
63 Main Ignition
66 Windshield Wipers
67 Powertrain
68 Windshield Wipers High Speed
Engine Compartment
Fuse Block (CTS-V
Wagon)
The underhood fuse block is on the
left side of the engine compartment.
Lift the fuse block cover to access
the fuses.
The vehicle may not be equipped
with all of the fuses and relays
shown.
Notice:Spilling liquid on any
electrical component on the
vehicle may damage it. Always
keep the covers on any electrical
component.
Page 348 of 478

Black plate (48,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
10-48 Vehicle Care
Mini-Fuses Usage43 Left Daytime Running
Lamp (HID)
46 Left High-Beam Headlamp
47 Right High-Beam Headlamp
50 Right Daytime Running Lamp
51 Airbag System Ignition Switch
52 Engine Control Module Ignition,
Transmission
Control Module
Ignition
54 Power Moding (Immobilizer
Module, Ignition
Switch)
55 Intercooler Pump
56 Windshield Wipers Mini-Fuses Usage
57 Right Low-Beam (HID Only)
58 Left Low-Beam (HID Only)
59 Right Daytime Running Lamp
(HID Only)
60 Instrument Panel Auxiliary Power
Outlet
61 Air Quality Sensor, Inside Rear View
Mirror, Rear
Camera
62 Ignition
64 Steering Wheel Illumination
65 Front Fog Lamps (HID Only)
69 Body Control Module 6, Body
Control Module 7 Mini-Fuses Usage
70 Emissions 1
71 Even Ignition Coils
72 Odd Ignition Coils
73 Emissions 2
74 Engine Control Module
75 Not Used
76 Spare
77 Spare
78 Spare
79 Spare
80 Spare
81 Spare
J-Case Fuses Usage
6 Cooling Fan 2
7 Cooling Fan 1
8 Starter
Page 349 of 478

Black plate (49,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
Vehicle Care 10-49
J-CaseFuses Usage
9 Not Used
10 Antilock Brake System Motor
13 Not Used
14 Electric Parking Brake
15 Not Used
16 Not Used
17 Blower Motor
18 Rear Window Defogger
37 Magnetic Ride/ Suspension Control
Relays Usage 1 Cooling Fan 2
2 Cooling Fan 1
3 Starter Relays Usage
4 Rear Window Defogger
5 Instrument Panel Auxiliary Power
Outlet
12 Horn
20 Headlamp Washer (HID Only)
21 Cooling Fan (Series/ Parallel)
32 Air Conditioning Compressor Clutch
39 Not Used
42 Right Daytime Running Lamp
44 Left Daytime Running Lamp (HID)
45 Front Fog Lamps (HID Only)
48 High-Beam Headlamps Relays Usage
49 Low-Beam Headlamps (HID)
53 Not Used
63 Main Ignition
66 Windshield Wipers
67 Powertrain
68 Windshield Wipers High Speed
Rear Compartment Fuse
Block (CTS Coupe and
Sedan)
The rear compartment fuse block is
on top of the battery, on the right
side of the trunk. The battery access
door must be removed to access
the fuse block.
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.
Page 477 of 478

Black plate (13,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
INDEX i-13
W
WarningBrake System Light . . . . . . . . . . . 5-22
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . 5-10
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . iv Cautions and Danger . . . . . . . . . . . .iv
Hazard Flashers . . . . . . . . . . . . . . . 6-5
Washer Fluid . . . . . . . . . . . . . . . . . 10-23 Messages . . . . . . . . . . . . . . . . . . . . 5-45
Washer, Headlamps . . . . . . . . . . . . 5-7
Wheels
Alignment and TireBalance . . . . . . . . . . . . . . . . . . . 10-79
Different Size . . . . . . . . . . . . . . . 10-77
Replacement . . . . . . . . . . . . . . . 10-79 When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . 10-74
Where to Put the Restraint . . . . 3-39
Windows . . . . . . . . . . . . . . . . . . . . . . 2-27 Power . . . . . . . . . . . . . . . . . . . . . . . . 2-28
Windshield Wiper/Washer . . . . . . . . . . . . . . . . . 5-4
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . . 9-8
Winter Tires . . . . . . . . . . . . . . . . . . 10-59
Wiper Blade Replacement . . . . 10-29
Wipers Rear Washer . . . . . . . . . . . . . . . . . . 5-6
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