2020 CADILLAC CT6 sunroof

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
KEYS, DOORS, AND WINDOWS 9
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . 10
Remote Vehicle Start . . . . . . . . . . . . . . 17
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 19
Power Door Locks . . . . . . . . . . . . . . . . . 21
Delayed Locking . . . . . . . . . . . . . . . . . . . 21
Automatic Door Locks . . . . . . . . . . . . 21
Lockout Protection . . . . . . . . . . . . . . . . 22
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 22
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . . . . . 30
Vehicle Alarm System . . . . . . . . . . . . . 30
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 32
Immobilizer Operation . . . . . . . . . . . . 32
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 33
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 33 Folding Mirrors . . . . . . . . . . . . . . . . . . . . 33
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 34
Automatic Dimming Mirror . . . . . . . 34
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 34
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 35
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Rear Camera Mirror . . . . . . . . . . . . . . . 35
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Windows . . . . . . . . . . . . . . . . . . . . 38
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Rear Window Sunshade . . . . . . . . . . . 40
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with a
Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the RKE transmitter
in the vehicle, and children or
others could be caught in the path
of a closing window. Do not leave
children in a vehicle with an RKE
transmitter.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
38 KEYS, DOORS, AND WINDOWS
pulsing sound when either rear
window is down and the front
windows are up. To reduce the sound,
open either a front window or the
sunroof, if equipped.
Power Windows
{Warning
Children could be seriously injured
or killed if caught in the path of a
closing window. Never leave the
Remote Keyless Entry (RKE)
transmitter in a vehicle with
children. When there are children in
the rear seat, use the window
lockout switch to prevent operation
of the windows. SeeKeys09.
Power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained Accessory
Power (RAP) 0188.
Using the window switch, press to
open or pull to close the window.
The windows may be temporarily
disabled if they are used repeatedly
within a short time.
Window Lockout
This feature stops the rear passenger
windows from working.
. Press
Zto engage the rear
window lockout feature. The
indicator light is on when engaged.
. Press
Zagain to disengage.
Window Express Movement
All windows can be opened without
holding the window switch. Press the
switch down fully and quickly release
to express open the window.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
KEYS, DOORS, AND WINDOWS 41
Roof
Sunroof
If equipped with a sunroof, the
ignition must be on or in ACC/
ACCESSORY, or Retained Accessory
Power (RAP) must be active, to
operate the sunroof. SeeIgnition
Positions 0183 and
Retained Accessory Power (RAP) 0188.
1. SLIDE Switch
2. TILT Switch
Slide Switch
Express-Open/Express-Close : Press
the rear or front of
D(1) to the
second detent and release to
express-open or express-close the
sunroof.
Open/Close (Manual Mode) :
Press the rear of
D(1) to the first
detent and hold to open the sunroof.
Press the front of
D(1) to the first
detent and hold to close the sunroof.
Tilt Switch
Vent Feature : Press and hold the
front of
E(2) to vent the sunroof.
Press and hold the rear of
E(2) to
close the sunroof vent.
Power Sunshades
If equipped, pressFto open or
close the front sunroof sunshade.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
42 KEYS, DOORS, AND WINDOWS
If equipped, pressGto open or
close the rear sunroof sunshade.
The rear door panels have controls for
the rear sunroof sunshade. Press
Q
to open or close.
Automatic Reversal System
The sunroof has an automatic reversal
system that is only active when the
sunroof is operated in
express-close mode.
If an object is in the path while
express closing, the reversal system
will detect an object, stop, and open
the sunroof again.
If frost or other conditions prevent
closing, override the feature by closing
the sunroof in manual mode. To stop
movement, release the switch.
Dirt and debris may collect on the
sunroof seal or in the track. This
could cause an issue with sunroof
operation or noise. It could also plug
the water drainage system.
Periodically open the sunroof and
remove any obstacles or loose debris.
Wipe the sunroof seal and roof sealing
area using a clean cloth, mild soap,
and water. Do not remove grease from
the sunroof.
If water is seen dripping into the
water drainage system, this is normal.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/14/19
188 DRIVING AND OPERATING
Warning (Continued)
function. An ungrounded
outlet could cause an electric
shock.
. Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension cord
in good operating condition,
or using a damaged heater or
extension cord, could make it
overheat and cause a fire,
property damage, electric
shock, and injury.
. Do not operate the vehicle
with the heater cord
permanently attached to the
(Continued)
Warning (Continued)
vehicle. Possible heater cord
and thermostat damage could
occur.
. While in use, do not let the
heater cord touch vehicle
parts or sharp edges. Never
close the hood on the
heater cord.
. Before starting the vehicle,
unplug the cord, reattach the
cover to the plug, and
securely fasten the cord. Keep
the cord away from any
moving parts.
4. Before starting the engine, be sure to unplug and store the cord
as it was before to keep it away
from moving engine parts. If you
do not, it could be damaged.
Contact your dealer for information
on how long to use the heater in your
particular area.
Retained Accessory
Power (RAP)
When the ignition is turned from on
to off, the following features (if
equipped) will continue to function
for up to 10 minutes, or until the
driver door is opened. These features
will also work when the ignition is in
RUN or ACC/ACCESSORY:
. Infotainment System
. Power Windows (during RAP this
functionality will be lost when any
door is opened)
. Sunroof (during RAP this
functionality will be lost when any
door is opened)
. Auxiliary Power Outlet
. Audio System
. OnStar System
Shifting Into Park
To shift into P (Park):
1. Bring the vehicle to a stop, and hold the brake pedal down.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
310 VEHICLE CARE
FusesUsage
F22 –
F23 Rear closure latch
F24 –
F25 Left front motorized seat belt pretensioner
F26 Rear Defogger
F27 Right front subwoofer
F28 Amplifier
F29 Sunroof
F30 Body control module 2
F31 Body control module 6
F32 Exterior heated mirrors
F33 Right window
F34 Power trunk module
F35 –
F36 –
F37 – Fuses
Usage
F38 Rear blower
F39 Fuel tank zone module
F40 –
F41 Rear seat auxiliary power outlet
F42 Left rear memory seat
F43 –
F44 Rear closure release switch/Power trunk
module/Integrated
chassis control
module battery
F45 Auxiliary audio/Video
F46 External object calculating module/
Side blind zone alert/
Rear center short
range radar sensor/
Long range radar
sensors
F47 –
F48 – Fuses
Usage
F49 Memory bolster module
F50 Body control module 1
F51 Transmission control module
F52 Park assist
F53 Ventilated seats
F54 Headliner/Universal garage door opener/
Power sounder
module/Rain sensor
F55 Front memory seat module
F56 Rear HVAC Display
F57 –
F58 –
F59 Engine control module battery
F60 Right front motorized seat belt pretensioner
F61 –

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
314 VEHICLE CARE
FusesUsage
F57 Rear left and rear center short range
radar sensors/Long
range radar sensors/
Right rear external
object calculating
module
F58 Auxiliary audio/Video
F59 –
F60 Memory bolster module
F61 –
F62 Ventilated seat
F63 Universal garage door opener/Power
sounder module/Rain
sensor
F64 Passenger memory seat module
F65 Right front short range radar sensor/
Advance driver
assist map Fuses
Usage
F66 Television tuner module
F67 –
F68 –
F69 –
F70 Right front motorized seat belt pretensioner
F71 Rear heated seat module
F72 Sunroof
F73 Rear vision camera/ Inside Rearview
mirror/Air quality
sensor
F74 Rear window sunshade
F75 Engine control module ignition Fuses
Usage
F76 Misc run crank/ Energy storage
control module/DC
DC converter/Rear
external object
calculating module/
Shifter interface
board module
F77 Trunk auxiliary power outlet
F78 Rear HVAC display
F79 –
F80 –
F81 –
F82 –
F83 –
F84 –
F85 –
F86 –
F87 –

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
360 SERVICE AND MAINTENANCE
.Check tire inflation pressures. See
Tire Pressure 0322.
. Inspect tire wear. See Tire
Inspection 0329.
. Visually check for fluid leaks.
. Inspect brake system. See Exterior
Care 0349.
. Visually inspect steering,
suspension, and chassis
components for damage, including
cracks or tears in the rubber boots,
loose or missing parts, or signs of
wear at least once a year. See
Exterior Care 0349.
. Inspect power steering for proper
attachment, connections, binding,
leaks, cracks, chafing, etc. .
Visually inspect halfshafts and
driveshafts for excessive wear,
lubricant leaks, and/or damage
including: tube dents or cracks,
constant velocity joint or universal
joint looseness, cracked or missing
boots, loose or missing boot
clamps, center bearing excessive
looseness, loose or missing
fasteners, and axle seals leaks.
. Check restraint system
components. See Safety System
Check 064.
. Visually inspect fuel system for
damage or leaks.
. Visually inspect exhaust system
and nearby heat shields for loose
or damaged parts. .
Lubricate body components. See
Exterior Care 0349.
. Check starter switch. See Starter
Switch Check 0294.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check 0294.
. Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
. Visually inspect gas strut for signs
of wear, cracks, or other damage.
Check the hold open ability of the
strut. If the hold open ability is
low, service the gas strut. See Gas
Strut(s) 0296.
. Inspect sunroof track and seal,
if equipped. See Sunroof041.