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Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
228 DRIVING AND OPERATING
Sedan–Cap Type Fuel System
The cap is behind the fuel door on the
passenger side of the vehicle.
If equipped, the fuel door is locked
when the vehicle doors are locked.
Press
Kon the RKE transmitter to
unlock.
To remove the fuel cap, turn it slowly
counterclockwise.
While refueling, hang the fuel cap
from the hook on the fuel door. When replacing the fuel cap, turn it
clockwise until it clicks once. Make
sure the cap is fully installed. The
diagnostic system can determine if
the fuel cap has been left off or
improperly installed. This would allow
fuel to evaporate into the atmosphere.
See
Malfunction Indicator Lamp (Check
Engine Light) 0114.
Caution
If a new fuel cap is needed, be sure
to get the right type of cap from
your dealer. The wrong type of fuel
cap may not fit properly, may cause
the malfunction indicator lamp to
light, and could damage the fuel
tank and emissions system. See
Malfunction Indicator Lamp (Check
Engine Light) 0114. Coupe
–Capless Fuel System
The coupe vehicle has a capless
refueling system and does not have a
fuel cap. The filling nozzle must be
fully inserted and latched prior to
starting fuel flow.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
VEHICLE CARE 231
Vehicle Care
General Information
General Information . . . . . . . . . . . . . 232
Accessories andModifications . . . . . . . . . . . . . . . . . . . 232
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . . . . . . 233
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . . . . . . 234
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . 241
Engine Oil Life System . . . . . . . . . . . 243
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Engine Air Cleaner/Filter . . . . . . . . . 245
Cooling System (Engine) . . . . . . . . . 246
Cooling System (Intercooler) . . . . 248
Engine Coolant . . . . . . . . . . . . . . . . . . . 248
Engine Overheating . . . . . . . . . . . . . . 251
Washer Fluid . . . . . . . . . . . . . . . . . . . . . 253
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . 254
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Starter Switch Check . . . . . . . . . . . . . 256
Automatic Transmission Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Park Brake and P (Park)
Mechanism Check . . . . . . . . . . . . . . 257
Wiper Blade Replacement . . . . . . . 257
Windshield Replacement . . . . . . . . 258
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . . . . . 258
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . . . . . 259
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . 259
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . . . . . 259
LED Lighting . . . . . . . . . . . . . . . . . . . . . 259
Back-Up Lamps . . . . . . . . . . . . . . . . . . . 259
License Plate Lamp . . . . . . . . . . . . . . 260
Replacement Bulbs . . . . . . . . . . . . . . . 261
Electrical System
Electrical System Overload . . . . . . 261
Fuses and Circuit Breakers . . . . . . 261
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Instrument Panel Fuse Block . . . . 265
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
All-Season Tires . . . . . . . . . . . . . . . . . . 271
Winter Tires . . . . . . . . . . . . . . . . . . . . . . 271
Run-Flat Tires . . . . . . . . . . . . . . . . . . . . 271 Summer Tires . . . . . . . . . . . . . . . . . . . . 272
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 273
Tire Pressure for High-Speed
Operation . . . . . . . . . . . . . . . . . . . . . . . . 274
Tire Pressure Monitor System . . . 274
Tire Pressure Monitor
Operation . . . . . . . . . . . . . . . . . . . . . . . . 275
Tire Inspection . . . . . . . . . . . . . . . . . . . 278
Tire Rotation . . . . . . . . . . . . . . . . . . . . . 278
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Buying New Tires . . . . . . . . . . . . . . . . 280
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Wheel Replacement . . . . . . . . . . . . . . 282
Tire Chains . . . . . . . . . . . . . . . . . . . . . . . 284
If a Tire Goes Flat . . . . . . . . . . . . . . . . 284
Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . 286
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . 292
Jump Starting
Jump Starting . . . . . . . . . . . . . . . . . . . . . 292
Towing the Vehicle
Towing the Vehicle . . . . . . . . . . . . . . . 295
Recreational Vehicle Towing . . . . 296

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
232 VEHICLE CARE
Appearance Care
Exterior Care . . . . . . . . . . . . . . . . . . . . . . 298
Interior Care . . . . . . . . . . . . . . . . . . . . . . 302
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . 304General Information
For service and parts needs, visit your
dealer. You will receive genuine parts
and trained and supported service
people.
Accessories and
Modifications
Adding non-dealer accessories or
making modifications to the vehicle
can affect vehicle performance and
safety, including such things as
airbags, braking, stability, ride and
handling, emissions systems,
aerodynamics, durability, and
electronic systems like antilock
brakes, traction control, and stability
control. These accessories or
modifications could even cause
malfunction or damage not covered by
the vehicle warranty.
Damage to suspension components
caused by modifying vehicle height
outside of factory settings will not be
covered by the vehicle warranty.Damage to vehicle components
resulting from modifications or the
installation or use of non-GM certified
parts, including control module or
software modifications, is not covered
under the terms of the vehicle
warranty and may affect remaining
warranty coverage for affected parts.
GM Accessories are designed to
complement and function with other
systems on the vehicle. See your
dealer to accessorize the vehicle using
genuine GM Accessories installed by a
dealer technician.
Also, see
Adding Equipment to the
Airbag-Equipped Vehicle 077.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
VEHICLE CARE 235
1. Windshield Washer FluidReservoir. See Washer
Fluid 0253.
2. Remote Positive (+) Battery Terminal. See Jump
Starting 0292.
3. Remote Negative (-) Battery Terminal. See Jump
Starting 0292.
4. Engine Coolant Surge Tank and Pressure Cap. See Cooling System
(Engine) 0246 orCooling System
(Intercooler) 0248.
5. Engine Compartment Fuse
Block 0262.
6. Engine Oil Fill Cap. See Engine
Oil 0241.
7. Engine Cooling Fan (Out of View). See Cooling System
(Engine) 0246 orCooling System
(Intercooler) 0248.
8. Engine Oil Dipstick. See Engine
Oil 0241.
9. Brake Fluid Reservoir. See Brake
Fluid 0254.
10. Engine Air Cleaner/Filter 0245.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
VEHICLE CARE 237
1. Windshield Washer FluidReservoir. See Washer
Fluid 0253.
2. Remote Positive (+) Battery Terminal. See Jump
Starting 0292.
3. Remote Negative (-) Battery Terminal. See Jump
Starting 0292.
4. Engine Coolant Surge Tank and Pressure Cap. See Cooling System
(Engine) 0246 orCooling System
(Intercooler) 0248.
5. Engine Compartment Fuse
Block 0262.
6. Engine Oil Fill Cap. See Engine
Oil 0241.
7. Engine Cooling Fan (Out of View). See Cooling System
(Engine) 0246 orCooling System
(Intercooler) 0248.
8. Engine Oil Dipstick. See Engine
Oil 0241.
9. Brake Fluid Reservoir. See Brake
Fluid 0254.
10. Engine Air Cleaner/Filter 0245.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
VEHICLE CARE 239
1. Windshield Washer FluidReservoir. See Washer
Fluid 0253.
2. Remote Positive (+) Battery Terminal. See Jump
Starting 0292.
3. Remote Negative (-) Battery Terminal. See Jump
Starting 0292.
4. Engine Coolant Surge Tank and Pressure Cap. See Cooling System
(Engine) 0246 orCooling System
(Intercooler) 0248.
5. Engine Compartment Fuse
Block 0262.
6. Engine Cooling Fan (Out of View). See Cooling System
(Engine) 0246 orCooling System
(Intercooler) 0248.
7. Engine Oil Fill Cap. See Engine
Oil 0241.
8. Engine Oil Dipstick. See Engine
Oil 0241.
9. Brake Fluid Reservoir. See Brake
Fluid 0254.
10. Engine Air Cleaner/Filter 0245.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
VEHICLE CARE 241
1. Windshield Washer FluidReservoir. See Washer
Fluid 0253.
2. Remote Positive (+) Battery Terminal. See Jump
Starting 0292.
3. Remote Negative (-) Battery Terminal. See Jump
Starting 0292.
4. Engine Coolant Surge Tank and Pressure Cap. See Cooling System
(Engine) 0246 orCooling System
(Intercooler) 0248.
5. Engine Compartment Fuse
Block 0262.
6. Engine Cooling Fan (Out of View). See Cooling System
(Engine) 0246 orCooling System
(Intercooler) 0248.
7. Engine Oil Fill Cap. See Engine
Oil 0241.
8. Engine Oil Dipstick. See Engine
Oil 0241.
9. Brake Fluid Reservoir. See Brake
Fluid 0254.
10. Engine Air Cleaner/Filter 0245.Engine Oil
To ensure proper engine performance
and long life, careful attention must
be paid to engine oil. Following these
simple, but important steps will help
protect your investment:
.
Use engine oil approved to the
proper specification and of the
proper viscosity grade. See
“Selecting the Right Engine Oil” in
this section.
. Check the engine oil level regularly
and maintain the proper oil level.
See “Checking Engine Oil” and
“When to Add Engine Oil” in this
section.
. Change the engine oil at the
appropriate time. See Engine Oil
Life System 0243.
. Always dispose of engine oil
properly. See “What to Do with
Used Oil” in this section.
Checking Engine Oil
Check the engine oil level regularly
(every 650 km (400 mi), especially
prior to a long trip. The engine oil dipstick handle is a loop. See
Engine
Compartment Overview 0234 for the
location.
{Warning
The engine oil dipstick handle may
be hot; it could burn you. Use a
towel or glove to touch the dipstick
handle.
If a low oil Driver Information Center
(DIC) message displays, check the oil
level.
Follow these guidelines:
. To get an accurate reading, park
the vehicle on level ground. Check
the engine oil level after the
engine has been off for at least
two hours. Checking the engine oil
level on steep grades or too soon
after engine shutoff can result in
incorrect readings. Accuracy
improves when checking a cold
engine prior to starting. Remove
the dipstick and check the level.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
250 VEHICLE CARE
be sure the cooling system, including
the coolant surge tank pressure cap, is
cool before you do it.
{Warning
Steam and scalding liquids from a
hot cooling system can blow out
and burn you badly. Never turn the
cap when the cooling system,
including the surge tank pressure
cap, is hot. Wait for the cooling
system and surge tank pressure cap
to cool.
{Warning
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water and
other liquids, can boil before the
proper coolant mixture will. The
coolant warning system is set for
the proper coolant mixture. With
plain water or the wrong mixture,
the engine could get too hot but(Continued)
Warning (Continued)
you would not get the overheat
warning. The engine could catch
fire and you or others could be
burned. Use a 50/50 mixture of
clean, drinkable water and
DEX-COOL coolant.
Caution
In cold weather, water can freeze
and crack the engine, radiator,
heater core, and other parts. Use
the recommended coolant and the
proper coolant mixture.
{Warning
You can be burned if you spill
coolant on hot engine parts.
Coolant contains ethylene glycol
and it will burn if the engine parts
are hot enough. Do not spill coolant
on a hot engine. 1. Remove the coolant surge tank
pressure cap from the top
chamber when the cooling
system, including the coolant
surge tank pressure cap and
upper radiator hose, is no
longer hot.
Turn the pressure cap slowly
counterclockwise. If you hear a
hiss, wait for that to stop. This
will allow any pressure still left
to be vented out the
discharge hose.
2. Keep turning the pressure cap slowly and remove it. Open the
surge tank service port cap to
the lower chamber

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
256 VEHICLE CARE
Warning (Continued)
When working around a vehicle’s
battery, shield your eyes with
protective glasses.
Keep children away from vehicle
batteries.
{Warning
Batteries have acid that can burn
you and gas that can explode. You
can be hurt badly if you are not
careful.
Follow instructions carefully when
working around a battery.
Battery posts, terminals and related
accessories contain lead and lead
compounds which can cause cancer
and reproductive harm. Wash
hands after handling.After a power loss, such as
disconnecting the battery or removing
the maxi fuses in the power
distribution fuse block, the following
steps must be performed to calibrate
the electronic throttle control. If this
is not done, the engine will not run
properly.
1. Turn the ignition on but do not start the engine.
2. Leave the ignition on for at least three minutes so that the
electronic throttle control will
cycle and relearn its home
position.
3. Turn the ignition off.
4. Start and run the engine for at least 30 seconds.
Vehicle Storage
Infrequent Usage: Remove the black,
negative (−) cable from the battery to
keep the battery from running down.
Extended Storage: Remove the black,
negative (−) cable from the battery or
use a battery trickle charger.
Starter Switch Check
{Warning
When you are doing this inspection,
the vehicle could move suddenly.
If the vehicle moves, you or others
could be injured.
1. Before starting this check, be sure there is enough room
around the vehicle.
2. Apply both the parking brake and the regular brake.
Do not use the accelerator pedal,
and be ready to turn off the
engine immediately if it starts.
3. Try to start the engine in each gear. The vehicle should start
only in P (Park) or N (Neutral).
If the vehicle starts in any other
position, contact your dealer for
service.

Cadillac ATS/ATS-V Owner Manual (GMNA-Localizing-MidEast-10287885) -
2017 - crc - 6/16/16
VEHICLE CARE 257
Automatic Transmission
Shift Lock Control Function
Check
{Warning
When you are doing this inspection,
the vehicle could move suddenly.
If the vehicle moves, you or others
could be injured.
1. Before starting this check, be sure there is enough room
around the vehicle. It should be
parked on a level surface.
2. Apply the parking brake. Be ready to apply the regular brake
immediately if the vehicle begins
to move.
3. With the engine off, turn the ignition on, but do not start the
engine. Without applying the
regular brake, try to move the
shift lever out of P (Park) with
normal effort. If the shift lever
moves out of P (Park), contact
your dealer for service.
Park Brake and P (Park)
Mechanism Check
{Warning
When you are doing this check, the
vehicle could begin to move. You or
others could be injured and
property could be damaged. Make
sure there is room in front of the
vehicle in case it begins to roll. Be
ready to apply the regular brake at
once should the vehicle begin
to move.
Park on a fairly steep hill, with the
vehicle facing downhill. Keeping your
foot on the regular brake, set the
parking brake.
. To check the parking brake's
holding ability: With the engine
running and the transmission in
N (Neutral), slowly remove foot
pressure from the regular brake
pedal. Do this until the vehicle is
held by the parking brake only. .
To check the P (Park) mechanism's
holding ability: With the engine
running, shift to P (Park). Then
release the parking brake followed
by the regular brake.
Contact your dealer if service is
required.
Wiper Blade Replacement
Windshield wiper blades should be
inspected for wear and cracking. See
Maintenance Schedule 0307.
Replacement blades come in different
types and are removed in different
ways. For proper type and length, see
Maintenance Replacement Parts 0315.
To replace the windshield wiper blade:
1. Pull the windshield wiper assembly away from the
windshield.