technical data CADILLAC CT6 2018 1.G Owners Manual

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . . . . . 34
Seats and Restraints . . . . . . . . . . . . . . . 64
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Instruments and Controls . . . . . . . . 118
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Infotainment System . . . . . . . . . . . . . 190
Climate Controls . . . . . . . . . . . . . . . . . . 191
Driving and Operating . . . . . . . . . . . . 205
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . 296
Service and Maintenance . . . . . . . . . 388
Technical Data . . . . . . . . . . . . . . . . . . . . 403
Customer Information . . . . . . . . . . . . 408
Reporting Safety Defects . . . . . . . . . 418
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Index . . . . . . . . . . . . . . . . . . . . . . . . 432

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
TECHNICAL DATA 403
Technical Data
Vehicle Identification
Vehicle IdentificationNumber (VIN) . . . . . . . . . . . . . . . . . . . 403
Service Parts Identification Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403
Vehicle Data
Capacities and Specifications . . . . 404
Engine Drive Belt Routing . . . . . . . 406
Vehicle Identification
Vehicle Identification
Number (VIN)
This legal identifier is in the front
corner of the instrument panel, on the
driver side of the vehicle. It can be
seen through the windshield from
outside. The Vehicle Identification
Number (VIN) also appears on the
Vehicle Certification and Service Parts
labels and certificates of title and
registration.
Engine Identification
The eighth character in the VIN is the
engine code. This code identifies the
vehicle's engine, specifications, and
replacement parts. See “Engine
Specifications” underCapacities and
Specifications 0404 for the vehicle's
engine code.
Service Parts Identification
Label
There may be a label on the inside of
the trunk that contains the following
information:
. Vehicle Identification
Number (VIN)
. Model designation
. Paint information
. Production options and special
equipment
If there is no label, there is a barcode
on the certification label on the
center (B) pillar to scan for this same
information.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
404 TECHNICAL DATA
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and Lubricants
0 399 for more information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Brake Fluid 0.4 L 0.4 qt
Cooling System –Engine
2.0L L4 Engine 8.6 L 9.1 qt
2.0L L4 Engine with Rear A/C 10.3 L 10.9 qt
2.0L L4 PLUG–IN Engine 9.8 L 10.4 qt
2.0L L4 PLUG–IN Engine –Power Electronics 4.0 L 4.2 qt
2.0L L4 PLUG–IN Engine –RESS 3.1 L 3.3 qt
3.0L V6 Engine 10.6 L 11.2 qt
3.0L V6 Engine with Rear A/C 12.3 L 13.0 qt
3.0L V6 Engine with Rear A/C and Auxiliary Radiator 13.2 L 13.9 qt
3.0L V6 Engine with Auxiliary Radiator 11.5 L 12.2 qt

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
TECHNICAL DATA 405
ApplicationCapacities
Metric English
3.0L V6 Engine Intercoolers 3.2 L 3.4 qt
3.6L V6 Engine 9.8 L 10.4 qt
3.6L V6 Engine with Rear A/C 11.4 L 12.0 qt
Engine Oil with Filter
2.0L L4 Engine 4.7 L 5.0 qt
3.0L V6 Engine 5.7 L 6.0 qt
3.6L V6 Engine 5.7 L 6.0 qt
Front Axle 0.5 L 0.53 qt
Rear Axle 0.5 L 0.53 qt
Rear Axle - PLUG–IN 1.1 L 1.16 qt
Fuel Tank Gasoline Only 72.7 L 19.2 gal
PLUG–IN 58.0 L 15.3 gal
Transfer Case –AWD 0.8 L 0.85 qt
Wheel Nut Torque 150 Y110 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual.
Recheck fluid level after filling.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
406 TECHNICAL DATA
Engine Specifications
EngineVIN CodeTransmission Spark Plug Gap
2.0L L4 Engine XAutomatic0.75–0.90 mm (0.030–0.035 in)
3.0L V6 Engine 6Automatic 0.65–0.75 mm (0.26–0.030 in)
3.6L V6 Engine SAutomatic0.80–0.90 mm (0.031–0.035 in)
Engine Drive Belt Routing
2.0L L4 Engine (PLUG-IN)
2.0L L4 Engine (Gasoline Only)3.0L V6 Engine

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/14/17
TECHNICAL DATA 407
3.6L V6 Engine