2018 CADILLAC CTS headlamp

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
VEHICLE CARE 285
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. Wiper function is
available immediately after the wiper
switch is set to off, and back to on.
To protect the wiper motor from
overheating, the wipers may slow
down when the windshield is dry for a
long period of time. If a period of dry
operation, or little moisture, exceeds
10 minutes, the wipers may switch to
intermittent operation, and remain
there. When moisture is again
detected on the windshield, wiper
operation will return to the operator
selected speed.
Although the circuit is protected from
electrical overload, overload due to
heavy snow or ice may cause wiperlinkage 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.
{Danger
Fuses and circuit breakers are
marked with their ampere rating.
Do not exceed the
specified amperage rating when
replacing fuses and circuit breakers.
Use of an oversized fuse or circuit
breaker can result in a vehicle fire.
You and others could be seriously
injured or killed.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
VEHICLE CARE 287
FusesUsage
1 –
2 – Fuses
Usage
3 Passenger motorized seat belt Fuses
Usage
4 –
5 –
6 Driver power seat
7 –
9 –
10 –
11 –
12 –
13 Passenger power seat
14 –
15 Passive entry/Passive start
16 –
17 Headlamp washer
18 –
19 Antilock brake system pump
20 Antilock brake system valve
21 –

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
288 VEHICLE CARE
FusesUsage
22 Driver motorized seat belt
26 –
27 –/Heated seat 2
28 –/Reverse lock out
29 Adaptive forward lighting, Automatic
headlamp leveling/
Pedestrian protection
30 –
31 Passenger window switch
32 –
33 Sunroof
34 Front wiper
35 Steering column lock
36 Rear bussed electrical center/Ignition
37 –/Malfunction
Indicator Lamp/
Ignition
38 Aeroshutter Fuses
Usage
39 O2 sensor/Emissions
40 Ignition coil even/O2 sensor
41 Ignition coil odd
42 Engine control module
43 –
44 –
45 Washer
48 Instrument panel/ Body/Ignition
49 Fuel system control module/Ignition
50 Heated steering wheel
51 Engine control module/Ignition
52 Transmission control module/Ignition
53 Coolant pump
55 – Fuses
Usage
56 Transmission control module
64 Adaptive headlamp leveling
65 Left HID headlamp
66 Right HID headlamp
67 Left/Right high-beam headlamp
68 Headlamp leveling motor
69 Horn
71 Cooling fan
72 Starter 2
73 Brake vacuum pump
74 Starter 1
75 Air conditioning clutch
76 –
Relays Usage
8 Headlamp washer
23 Wiper control

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
VEHICLE CARE 289
RelaysUsage
24 Wiper speed
25 Engine control module
46 Rear washer
47 Front washer
54 Coolant pump
57 Low-beam headlamp relay
58 High-beam headlamp
59 Run/Crank
60 Starter 2
61 Vacuum pump
62 Starter 1
63 Air conditioning control
70 HornInstrument Panel Fuse
Block
The instrument panel fuse block is in
the end of the driver side of the
instrument panel.
To access the fuses, remove the end
panel by gently prying with a plastic
tool near each clip, beginning at the
point shown.
To install the end cover, insert the
tabs on the back of the cover into the
slots in the instrument panel at the
points shown. Align the clips with the
slots in the instrument panel, and
press the cover into place.
The vehicle may not be equipped with
all of the fuses and relays shown.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
VEHICLE CARE 313
Wheel Replacement
Replace any wheel that is bent,
cracked, or badly rusted or corroded.
If wheel nuts keep coming loose, the
wheel, wheel bolts, and wheel nuts
should be replaced. If the wheel leaks
air, replace it. Some aluminum wheels
can be repaired. See your dealer if any
of these conditions exist.
Your dealer will know the kind of
wheel that is needed.
Each new wheel should have the same
load-carrying capacity, diameter,
width, offset, and be mounted the
same way as the one it replaces.
Replace wheels, wheel bolts, wheel
nuts, or Tire Pressure Monitor System
(TPMS) sensors with new GM original
equipment parts.
{Warning
Using the wrong replacement
wheels, wheel bolts, or wheel nuts
can be dangerous. It could affect
the braking and handling of the(Continued)
Warning (Continued)
vehicle. Tires can lose air, and
cause loss of control, causing a
crash. Always use the correct wheel,
wheel bolts, and wheel nuts for
replacement.
Caution
The wrong wheel can also cause
problems with bearing life, brake
cooling, speedometer or odometer
calibration, headlamp aim, bumper
height, vehicle ground clearance,
and tire or tire chain clearance to
the body and chassis.
Used Replacement Wheels
{Warning
Replacing a wheel with a used one
is dangerous. How it has been used
or how far it has been driven may(Continued)
Warning (Continued)
be unknown. It could fail suddenly
and cause a crash. When replacing
wheels, use a new GM original
equipment wheel.
Tire Chains
{Warning
If the vehicle has P245/40R18,
245/40R18, 275/35R18, 255/35R19,
265/35ZR19, or 295/30ZR19 size
tires, do not use tire chains. There
is not enough clearance. Tire chains
used on a vehicle without the
proper amount of clearance can
cause damage to the brakes,
suspension, or other vehicle parts.
The area damaged by the tire
chains could cause loss of control
and a crash. Use another type of
traction device only if its
manufacturer recommends it for
the vehicle's tire size combination(Continued)

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
346 SERVICE AND MAINTENANCE
Hoses
Hoses transport fluids and should be
regularly inspected to ensure that
there are no cracks or leaks. With a
multi-point inspection, your dealer
can inspect the hoses and advise if
replacement is needed.
Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
.Signs that the headlamps need
attention include dimming, failure
to light, cracking, or damage. The
brake lamps need to be checked
periodically to ensure that they
light when braking.
. With a multi-point inspection,
your dealer can check the lamps
and note any concerns. Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
.
Signs of wear may include steering
wheel vibration, bounce/sway
while braking, longer stopping
distance, or uneven tire wear.
. As part of the multi-point
inspection, trained dealer
technicians can visually inspect
the shocks and struts for signs of
leaking, blown seals, or damage,
and can advise when service is
needed. Tires
Tires need to be properly inflated,
rotated, and balanced. Maintaining
the tires can save money and fuel, and
can reduce the risk of tire failure.
.
Signs that the tires need to be
replaced include three or more
visible treadwear indicators; cord
or fabric showing through the
rubber; cracks or cuts in the tread
or sidewall; or a bulge or split in
the tire.
. Trained dealer technicians can
inspect and recommend the right
tires. Your dealer can also provide
tire/wheel balancing services to
ensure smooth vehicle operation
at all speeds. Your dealer sells and
services name brand tires.

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
INDEX 383
Auto Stop Mode . . . . . . . . . . . . . . . . . . . . 135
AutomaticDimming Mirrors . . . . . . . . . . . . . . . . . . . 48
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Forward Braking . . . . . . . . . . . . . . . . . . 235
Headlamp System . . . . . . . . . . . . . . . . 156
Transmission . . . . . . . . . . . . . . . . . . . . . . 200
Transmission Fluid . . . . . . . . . . . . . . . 266
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . . . . . 202
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
B
BatteryExterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Load Management . . . . . . . . . . . . . . . . 159
Power Protection . . . . . . . . . . . . . . . . . . 160
Battery - North America . . . . . .277, 323
Blade Replacement, Wiper . . . . . . . . . 280
Boost Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 123
Brake Parking, Electric . . . . . . . . . . . . . . . . . . 204
System Warning Light . . . . . . . . . . . . 129
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Brakes (cont'd)
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Automatic Forward . . . . . . . . . . . . . . . 235
Break-In, New Vehicle . . . . . . . . . . . . . . 191
Bulb Replacement Back-up Lamps . . . . . . . . . . . . . . . . . . . 283
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . 283
Headlamp Aiming . . . . . . . . . . . . . . . . 282
Headlamps . . . . . . . . . . . . . . . . . . . . . . . . 283
High Intensity Discharge(HID) Lighting . . . . . . . . . . . . . . . . . . . 283
License Plate Lamps . . . . . . . . . . . . . . 284
Buying New Tires . . . . . . . . . . . . . . . . . . . 309
C
Cadillac Premium Care
Maintenance . . . . . . . . . . . . . . . . . . . . . . 339
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . 113
California
Fuel Requirements . . . . . . . . . . . . . . . . 243
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . . . . . 254
California Proposition
65 Warning . . . . . . . . . . . . .253, 277, 323, Back Cover
Canadian Vehicle Owners . . . . . . . . . . . . . 2
Capacities and Specifications . . . . . . 353 Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . . . . . 199
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Winter Driving . . . . . . . . . . . . . . . . . . . . 186
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . . . . . . 108
Caution, Danger, and Warning . . . . . . . . 3
Center Console Storage . . . . . . . . . . . . . 107
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . 313
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Charging System Light . . . . . . . . . . . . . 127
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . . . . . 128
Child Restraints
Infants and Young Children . . . . . . . . 90
Lower Anchors and Tethers forChildren . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Older Children . . . . . . . . . . . . . . . . . . . . . . 88
Securing . . . . . . . . . . . . . . . . . . . . . . 101, 103
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Circuit Breakers . . . . . . . . . . . . . . . . . . . . . 285
Cleaning Exterior Care . . . . . . . . . . . . . . . . . . . . . . 329
Interior Care . . . . . . . . . . . . . . . . . . . . . . 333
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . . . . . 167

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
11349156) - 2018 - CRC - 9/29/17
386 INDEX
FusesEngine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Fuses and Circuit Breakers . . . . . . . 285
Instrument Panel Fuse Block . . . . 289
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
G
Garage Door Opener . . . . . . . . . . . . . . . . 149
Programming . . . . . . . . . . . . . . . . . . . . . . 149
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . 281
Gauges
Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Engine Coolant Temperature . . . . 124
Engine Oil Temperature . . . . . . . . . . 124
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Speedometer . . . . . . . . . . . . . . . . . . . . . . 121
Tachometer . . . . . . . . . . . . . . . . . . . . . . . 122
Trip Odometer . . . . . . . . . . . . . . . . . . . . 122
Warning Lights andIndicators . . . . . . . . . . . . . . . . . . . . . . . . 117
General Information Service and Maintenance . . . . . . . . 337
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . 253
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . 283
Hazard Warning Flashers . . . . . . . . . . 157
Head Restraints . . . . . . . . . . . . . . . . . . . . . . 56
Head-up Display . . . . . . . . . . . . . . . . . . . . 140
Headlamps
Adaptive ForwardLighting (AFL) . . . . . . . . . . . . . . . . . . . 156
Aiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . 156
Bulb Replacement . . . . . . . . . . . . . . . . 283
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . . . . . 155
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 155
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . . . . . 283
High-Beam On Light . . . . . . . . . . . . . . 135
High/Low Beam Changer . . . . . . . . . 155
Lamps On Reminder . . . . . . . . . . . . . . 136
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Steering Wheel . . . . . . . . . . . . . . . . . . . . 110
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . 47 Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Heating . . . . . . . . . . . . . . . . . . . . . . . . .167, 172
High-Beam On Light . . . . . . . . . . . . . . . . 135
High-Speed Operation . . . . . . . . . . . . . . 302
Hill and Mountain Roads . . . . . . . . . . 185
Hill Start Assist (HSA) . . . . . . . . . . . . . 206
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
How to Wear Seat Belts Properly . . . 70
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . .167, 172
I
Ignition Positions . . . . . . . . . . . . . . . . . . . 192
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Indicator Vehicle Ahead . . . . . . . . . . . . . . . . . . . . . 131
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Infotainment . . . . . . . . . . . . . . . . . . . . . . . . 161
Infotainment System . . . . . . . . . . . . . . . 370
Instrument Cluster . . . . . . . . . . . . . . . . . 118
Instrument Panel Storage Area . . . . . . . . . . . . . . . . . . . . . . 106
Interior Rearview Mirrors . . . . . . . . . . . 48
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . 323