
Black plate (6,1)Cadillac ATS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707477) - 2015 - crc - 9/15/14
14-6 OnStar
Vehicle Diagnostics
OnStar Vehicle Diagnostics can
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
other major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If an
On-Demand Diagnostics check is
needed, press
Q, and an Advisor
can run a check.
OnStar Additional
Information
Transferring Service
PressQto request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information.
Selling/Transferring the
Vehicle
Call 1-888-4-ONSTAR immediately
to terminate your OnStar services if
the vehicle is disposed of, sold,
transferred, or if the lease ends.
Reactivation for Subsequent
Owners
PressQand follow the prompts to
speak to an Advisor as soon as
possible. The Advisor will update
vehicle records and explain the
OnStar service options available.
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free Calling
are available on most vehicles. Not
all OnStar services are available
everywhere or on all vehicles. For
more information, a full description
of OnStar services, system
limitations, and OnStar terms and
conditions:
.Call 1-888-4-ONSTAR
(1-888-466-7827).
.See www.onstar.com (U.S.).
.See www.onstar.ca (Canada).
.Call TTY 1-877-248-2080.
.PressQto speak with an
Advisor.
OnStar services cannot work unless
the vehicle is in a place where
OnStar has an agreement with a
wireless service provider for service

Black plate (2,1)Cadillac ATS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707477) - 2015 - crc - 9/15/14
i-2 INDEX
AutomaticDoor Locks . . . . . . . . . . . . . . . . . . . 2-13
Headlamp System . . . . . . . . . . . . . 6-4
Transmission . . . . . . . . . . . . . . . . . 9-24
Transmission Fluid . . . . . . . . . 10-14
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 9-26
Shift Lock Control
Function Check . . . . . . . . . . . 10-27
Auxiliary Jack . . . . . . . . . . . . . . . . . . 7-18
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 10-25 Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Jump Starting . . . . . . . . . . . . . . . 10-72
Power Protection . . . . . . . . . . . . . . 6-8
Voltage and Charging Messages . . . . . . . . . . . . . . . . . . . 5-32
Blade Replacement, Wiper . . . 10-28
Bluetooth Overview . . . . . . . . . 7-20, 7-22, 7-26
Brake
System Warning Light . . . . . . . . 5-18 Brakes . . . . . . . . . . . . . . . . . . . . . . . . 10-23
Antilock . . . . . . . . . . . . . . . . . . . . . . . 9-29
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 9-33
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-23
Parking . . . . . . . . . . . . . . . . . 9-30, 9-32
System Messages . . . . . . . . . . . . 5-33
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Braking System
Active Emergency . . . . . . . . . . . . 1-20
Break-In, New Vehicle . . . . . . . . . 9-15
Bulb Replacement . . . . . . . . . . . . 10-31 Back-up Lamps . . . . . . . . . . . . . 10-30
Halogen Bulbs . . . . . . . . . . . . . . 10-29
Headlamp Aiming . . . . . . . . . . . 10-29
Headlamps . . . . . . . . . . . . . . . . . 10-29
High Intensity Discharge(HID) Lighting . . . . . . . . . . . . . 10-29
License Plate Lamps . . . . . . . 10-30
Buying New Tires . . . . . . . . . . . . . 10-56
C
Cadillac Premium Care Maintenance . . . . . . . . . . . . . . . . . 11-3
Calibration . . . . . . . . . . . . . . . . . . . . . . 5-6 California
Fuel Requirements . . . . . . . . . . . 9-64
Perchlorate Materials
Requirements . . . . . . . . . . . . . . . 10-3
Warning . . . . . . . . . . . . . . . . . . . . . . 10-2
Canadian Vehicle Owners . . . . . . . . iii
Capacities and Specifications . . . . . . . . . . . . . . . . 12-2
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 9-23
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Winter Driving . . . . . . . . . . . . . . . . . 9-9
Card Reader SD . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . . 4-2
Cautions, Danger, and Warnings . . . . . . . . . . . . . . . . . . . . . . . . iv
CD Player . . . . . . . . . . . . . . . . . . . . . 7-12
Chains, Tire . . . . . . . . . . . . . . . . . . 10-61
Charging System Light . . . . . . . . 5-15
Check Engine Light . . . . . . . . . . . . . . . . . . 5-16

Black plate (5,1)Cadillac ATS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707477) - 2015 - crc - 9/15/14
INDEX i-5
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Filter, Engine Air Cleaner . . . . . . . . . 10-15
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-4
Flashers, Hazard Warning . . . . . . 6-5
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-62
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-64
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-85
Fluid
Automatic Transmission . . . . 10-14
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-23
Washer . . . . . . . . . . . . . . . . . . . . . 10-22
Folding Mirrors . . . . . . . . . . . . . . . . 2-21
Forward Collision Alert
(FCA) System . . . . . . . . . . . . . . . . 9-54
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . 13-12
Front Seats Heated . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-62
Additives . . . . . . . . . . . . . . . . . . . . . 9-64
Economy Driving . . . . . . . . . . . . . 1-23
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 9-67
Filling the Tank . . . . . . . . . . . . . . . 9-65
Foreign Countries . . . . . . . . . . . . 9-64
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Low Fuel Warning Light . . . . . . . 5-23
Requirements, California . . . . . 9-64
System Messages . . . . . . . . . . . . 5-36
Fuses Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-32
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-32
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-35
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-38
G
Garage Door Opener . . . . . . . . . . 5-52Programming . . . . . . . . . . . . . . . . . 5-52
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 5-13
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Odometer . . . . . . . . . . . . . . . . . . . . . 5-11
Speedometer . . . . . . . . . . . . . . . . . 5-11
Tachometer . . . . . . . . . . . . . . . . . . . 5-12
Trip Odometer . . . . . . . . . . . . . . . . 5-12
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . . 5-9
General Information Service and Maintenance . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-68
Vehicle Care . . . . . . . . . . . . . . . . . . 10-2
Glove Box . . . . . . . . . . . . . . . . . . . . . . 4-2
H
Halogen Bulbs . . . . . . . . . . . . . . . . 10-29
Hazard Warning Flashers . . . . . . . 6-5
Head Restraints . . . . . . . . . . . . . . . . 3-2
Head-up Display . . . . . . . . . . . . . . . 5-28

Black plate (8,1)Cadillac ATS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707477) - 2015 - crc - 9/15/14
i-8 INDEX
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . .11-16
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . .11-10
Maintenance Schedule . . . . . . . . 11-3 Recommended Fluids
and Lubricants . . . . . . . . . . . . .11-13
Malfunction Indicator Lamp . . . . 5-16
Manual Mode . . . . . . . . . . . . . . . . . . 9-26
Manual Transmission . . . . . . . . . . 9-28 Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-14
Memory Features . . . . . . . . . . . . . . . 1-8
Memory Seats . . . . . . . . . . . . . . . . . . 3-6
Messages Airbag System . . . . . . . . . . . . . . . . 5-41
Battery Voltage and
Charging . . . . . . . . . . . . . . . . . . . . 5-32
Brake System . . . . . . . . . . . . . . . . 5-33
Compass . . . . . . . . . . . . . . . . . . . . . 5-33
Door Ajar . . . . . . . . . . . . . . . . . . . . . 5-34
Engine Cooling System . . . . . . . 5-34
Engine Oil . . . . . . . . . . . . . . . . . . . . 5-35
Engine Power . . . . . . . . . . . . . . . . 5-35
Fuel System . . . . . . . . . . . . . . . . . . 5-36
Key and Lock . . . . . . . . . . . . . . . . . 5-36 Messages (cont'd)
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 5-36
Object Detection System . . . . . 5-37
Ride Control System . . . . . . . . . . 5-40
Safety Belt . . . . . . . . . . . . . . . . . . . . 5-41
Security . . . . . . . . . . . . . . . . . . . . . . 5-41
Service Vehicle . . . . . . . . . . . . . . . 5-41
Starting the Vehicle . . . . . . . . . . . 5-41
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-42
Transmission . . . . . . . . . . . . . . . . . 5-42
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 5-32
Vehicle Reminder . . . . . . . . . . . . . 5-43
Vehicle Speed . . . . . . . . . . . . . . . . 5-43
Washer Fluid . . . . . . . . . . . . . . . . . 5-43
Mirrors Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . 2-21
Convex . . . . . . . . . . . . . . . . . . . . . . . 2-20
Folding . . . . . . . . . . . . . . . . . . . . . . . 2-21
Heated . . . . . . . . . . . . . . . . . . . . . . . 2-21
Manual Rearview . . . . . . . . . . . . . 2-21
Power . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Tilt in Reverse . . . . . . . . . . . . . . . . 2-21
Mirrors, Interior Rearview . . . . . . 2-21
Mode Driver Control . . . . . . . . . . . . . . . . . 9-36 Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . 10-49
Multi-band Antenna . . . . . . . . . . . . 7-12
N
Navigation OnStar®. . . . . . . . . . . . . . . . . . . . . . 14-3
New Vehicle Break-In . . . . . . . . . . 9-15
O
Object Detection System Messages . . . . . . . . . . . . . . . . . . . . 5-37
Odometer . . . . . . . . . . . . . . . . . . . . . . 5-11 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . 9-5
Oil Engine . . . . . . . . . . . . . . . . . . . . . . 10-10
Engine Oil Life System . . . . . 10-12
Messages . . . . . . . . . . . . . . . . . . . . 5-35
Pressure Light . . . . . . . . . . . . . . . . 5-23
Older Children, Restraints . . . . . 3-34
Online Owner Center . . . . . . . . . . 13-4
OnStar . . . . . . . . . . . . . . . . . . . . . . . 13-15
OnStar System . . . . . . . . . . . . . . . . 7-19

Black plate (11,1)Cadillac ATS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707477) - 2015 - crc - 9/15/14
INDEX i-11
Scheduling Appointments . . . . . . 13-7
SD Card Reader . . . . . . . . . . . . . . . 7-18
Sealant Kit, Tire . . . . . . . . . . . . . . 10-64
SeatsEasy Entry Seat . . . . . . . . . . . . . . . 3-3
Head Restraints . . . . . . . . . . . . . . . 3-2
Heated Front . . . . . . . . . . . . . . . . . . 3-9
Lumbar Adjustment, Front . . . . . 3-5
Memory . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Power Adjustment, Front . . . . . . 3-4
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Reclining Seatbacks . . . . . . . . . . . 3-5
Securing Child Restraints . . . . . . . . . . . . . . 3-48, 3-50
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Messages . . . . . . . . . . . . . . . . . . . . 5-41
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-3
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 2-17
Vehicle Alarm . . . . . . . . . . . . . . . . . 2-17
Service . . . . . . . . . . . . . . . . . . . . . . . . 8-10
Accessories andModifications . . . . . . . . . . . . . . . . 10-3
Doing Your Own Work . . . . . . . . 10-3
Engine Soon Light . . . . . . . . . . . . 5-16
Maintenance Records . . . . . . .11-16 Service (cont'd)
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 11-1
Parts Identification Label . . . . . 12-1
Publications Ordering
Information . . . . . . . . . . . . . . . . 13-10
Scheduling Appointments . . . . . 13-7
Vehicle Messages . . . . . . . . . . . . 5-41
Service Electric Parking
Brake Light . . . . . . . . . . . . . . . . . . . 5-19
Services Special Application . . . . . . . . . . . 11-9
Servicing the Airbag . . . . . . . . . . . 3-32
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . 10-27
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 9-21
Out of Park . . . . . . . . . . . . . . . . . . . 9-22
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . . . 9-58
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 6-6
Software Updates . . . . . . . . . . . . . . 7-7
Special Application Services . . . 11-9
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . 12-2 Speedometer . . . . . . . . . . . . . . . . . . 5-11
StabiliTrak
OFF Light . . . . . . . . . . . . . . . . . . . . . 5-21
Start Assist, Hills . . . . . . . . . . . . . . 9-33
Start Vehicle, Remote . . . . . . . . . . 2-9
Starter Switch Check . . . . . . . . . 10-26
Starting the Engine . . . . . . . . . . . . 9-18
Starting the Vehicle Messages . . . . . . . . . . . . . . . . . . . . 5-41
Steering . . . . . . . . . . . . . . . . . . . . . . . . 9-4 Heated Wheel . . . . . . . . . . . . . . . . . 5-3
Wheel Adjustment . . . . . . . . . . . . . 5-2
Wheel Controls . . . . . . . . . . . . . . . . 5-3
Storage Areas Armrest . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Glove Box . . . . . . . . . . . . . . . . . . . . . 4-2
Instrument Panel . . . . . . . . . . . . . . 4-1
Storage Compartments . . . . . . . . . 4-1
Storing the Tire Sealant and Compressor Kit . . . . . . . . . 10-71
Stuck Vehicle . . . . . . . . . . . . . . . . . . 9-10
Summer Tires . . . . . . . . . . . . . . . . 10-43
Sun Visors . . . . . . . . . . . . . . . . . . . . . 2-24
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Black plate (12,1)Cadillac ATS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707477) - 2015 - crc - 9/15/14
i-12 INDEX
SystemActive Emergency Braking . . . . 9-56
Forward Collision
Alert (FCA) . . . . . . . . . . . . . . . . . . 9-54
Infotainment . . . . . . . . . . . . 7-1, 13-15
Systems Driver Assistance . . . . . . . . . . . . . 9-49
T
Tachometer . . . . . . . . . . . . . . . . . . . . 5-12
Teen Driver . . . . . . . . . . . . . . . . . . . . 7-31
Text Telephone (TTY) Users . . . 13-4
Theft-Deterrent Systems . . . . . . . 2-18
Immobilizer . . . . . . . . . . . . . . . . . . . 2-18
Thigh Support Adjustment . . . . . . 3-5
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 10-40 All-Season . . . . . . . . . . . . . . . . . . 10-41
Buying New Tires . . . . . . . . . . . 10-56
Chains . . . . . . . . . . . . . . . . . . . . . . 10-61
Designations . . . . . . . . . . . . . . . 10-44
Different Size . . . . . . . . . . . . . . . 10-58
If a Tire Goes Flat . . . . . . . . . . 10-62
Inflation Monitor System . . . . 10-50 Tires (cont'd)
Inspection . . . . . . . . . . . . . . . . . . 10-54
Messages . . . . . . . . . . . . . . . . . . . . 5-42
Pressure . . . . . . . . . . . . . . . . . . . . 10-49
Pressure Light . . . . . . . . . . . . . . . . 5-23
Pressure Monitor System . . . 10-49
Rotation . . . . . . . . . . . . . . . . . . . . 10-54
Run-Flat . . . . . . . . . . . . . . . . . . . . 10-42
Sealant and
Compressor Kit . . . . . . . . . . . 10-64
Sealant and Compressor Kit, Storing . . . . . . . . . . . . . . . . 10-71
Sidewall Labeling . . . . . . . . . . . 10-43
Terminology and Definitions . . . . . . . . . . . . . . . . . 10-45
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . 10-58
Wheel Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . 10-60
Wheel Replacement . . . . . . . . 10-60
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . 10-56
Winter . . . . . . . . . . . . . . . . . . . . . . 10-41 Towing
Driving Characteristics . . . . . . . . 9-68
Equipment . . . . . . . . . . . . . . . . . . . . 9-72
General Information . . . . . . . . . . 9-68
Recreational Vehicle . . . . . . . . 10-75
Trailer . . . . . . . . . . . . . . . . . . 9-71, 9-72
Vehicle . . . . . . . . . . . . . . . . . . . . . 10-75
Track Events and Competitive Driving . . . . . . . . . . . 9-6
Traction Control System (TCS)/
StabiliTrak
®Light . . . . . . . . . . . . 5-22
Limited-Slip Rear Axle . . . . . . . . 9-37
Off Light . . . . . . . . . . . . . . . . . . . . . . 5-21
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . 9-34
Trademarks and License Agreements . . . . . . . . . . . . . . . . . . 7-33
Trailer Towing . . . . . . . . . . . . . . . . . . 9-71, 9-72
Transmission
Automatic . . . . . . . . . . . . . . . . . . . . . 9-24
Fluid, Automatic . . . . . . . . . . . . 10-14
Fluid, Manual . . . . . . . . . . . . . . . 10-14
Messages . . . . . . . . . . . . . . . . . . . . 5-42