2019 GMC SIERRA Def

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . 31
Seats and Restraints . . . . . . . . . . . 68
Storage . . . . . . . . . . . . . . . . . . . . . . . 126
Instruments and Controls . . . . . . 131
Lighting . . . . . . . . . . . . . . . . . . . . . . . 179
Infotainment System . . . . . . . . . . 190
Climate Controls . . . . . . . . . . . . . . 191
Driving and Operating . . . . . . . . . 199
Vehicle Care . . . . . . . . . . . . . . . . . . 316
Service and Maintenance . . . . . 418
Technical Data . . . . . . . . . . . . . . . . 434
Customer Information . . . . . . . . . 438
Reporting Safety Defects . . . . . . 448
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 452
Connected Services . . . . . . . . . . . 460
Index . . . . . . . . . . . . . . . . . . . . 464

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
In Brief 15
The passenger airbag status
indicator will light on the overhead
console when the vehicle is started.
SeePassenger Airbag Status
Indicator 0150.
Mirror Adjustment
Using hood-mounted air deflectors
and add-on convex mirror
attachments could decrease mirror
performance.
Exterior Mirrors
Manual Mirrors
If equipped, adjust manual mirrors
by moving them up and down or left
to right to see a little of the side of
the vehicle and to have a clear view
behind the vehicle.
See Manual Mirrors 057. Power Mirrors1. Select}or|for the driver or
passenger side mirror. The
switch will illuminate.
2. Press the arrows on the control pad to move the mirror up,
down, right, or left.
3. Adjust each outside mirror so that a little of the vehicle and
the area behind it can be seen.
See Power Mirrors 058.
If equipped with power folding
mirrors:
1. Press
gto fold the mirrors in
to the folded position.
2. Press
gagain to fold the
mirrors out to the driving
position.
For manual, power, and remote
folding mirrors, see Folding Mirrors
0 58.
The mirrors may also include a
memory function that works with the
memory seats. See Memory Seats
0 74.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
20 In Brief
Climate Controls
The heating, cooling, and ventilation in the vehicle can be controlled with
these systems.
Climate Control System
1. Fan Control
2. MAX Defrost
3. Air Delivery Mode Controls
4. A/C (Air Conditioning) 5. (TEMP) Temperature Control
6. Recirculation
7. Rear Window Defogger (If
Equipped)

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
In Brief 21
Dual Automatic Climate Control System
1. Driver and Passenger Temperature Controls
2. MAX Defrost
3. Air Delivery Mode Controls
4. A/C (Air Conditioning)
5. SYNC (Synchronized Temperature)
6. Recirculation
7. Power Button 8. Fan Control
9. Rear Window Defogger (If
Equipped)
10. AUTO (Automatic Operation)
See Climate Control Systems 0191
or
Dual Automatic Climate Control
System 0193 (If Equipped).
Transmission
Range Selection Mode
The Range Selection Mode switch
is on the shift lever.
1. To enable the Range Selection feature, move the shift lever to
the L (Manual Mode) position.
The current range will appear
next to the L. This is the
highest attainable range with
all lower gears accessible. As
an example, when 5 (Fifth)
gear is selected, 1 (First)
through 5 (Fifth) gears are
available.
2. Press the plus/minus buttons on the shift lever to select the
desired range of gears for
current driving conditions. See
Manual Mode 0235.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
In Brief 27
Slide Switch
Express-Open/Express-Close :To
express-open the sunroof, fully
press and release
I(1). Press and
release
I(1) again to stop the
movement. To express-close the
sunroof, fully press and release
K(1). Press and releaseK(1)
again to stop the movement.
Open/Close (Manual Mode) : To
open the sunroof, press and
hold
I(1). ReleaseI(1) to stop
the movement. Press and
hold
K(1) to close the sunroof.
Release
K(1) to stop the
movement. Tilt Switch
Vent :
From the closed position,
press
J(2) to vent the sunroof.
Press
K(2) to close the vent.
When the sunroof is opened, an air
deflector will automatically raise.
The air deflector will retract when
the sunroof is closed.
The sunroof also has a sunshade,
which can be pulled forward to block
sun rays. The sunshade must be
opened and closed manually.
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.
See Sunroof 066.
Performance and
Maintenance
Traction Control/
Electronic Stability
Control
The vehicle has a Traction Control
System (TCS) that limits wheel spin
and the StabiliTrak/Electronic
Stability Control (ESC) system that
assists with directional control of the
vehicle in difficult driving conditions.
Both systems come on
automatically when the vehicle is
started and begins to move.
.
To turn off TCS, press and
release
gon the center stack.
The traction off light
idisplays
in the instrument cluster. The
appropriate Driver Information
Center (DIC) message displays.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
44 Keys, Doors, and Windows
2. Press and slide the batterydown toward the pocket of the
transmitter in the direction of
the key ring. Do not use a
metal object
3. Remove the battery.
4. Insert the new battery, positive side facing up. Replace with a
CR2032 or equivalent battery.
5. Push together the transmitter back cover top side first, and
then the bottom toward the
key ring.
Remote Vehicle Start
If equipped with the remote start
feature, the climate control system
will come on when the vehicle is
started remotely, depending on the
outside temperature.
The rear defog and heated and
ventilated seats, if equipped, may
also come on. See Heated and
Ventilated Front Seats 076 and
Vehicle Personalization 0170.
If equipped, the automatic heated
steering wheel may also come on.
See Heated Steering Wheel 0133.
Laws in some communities may
restrict the use of remote starters.
Check local regulations for any
requirements on remote starting of
vehicles.
Do not use remote start if the
vehicle is low on fuel. The vehicle
may run out of fuel.
The vehicle cannot be remote
started if:
. The RKE transmitter is inside
the vehicle. .
The hood is not closed.
. There is an emission control
system malfunction and the lamp
is on.
. The ignition is in any mode other
than off.
. The hazard warning flashers
are on.
. Two remote starts or a remote
start with an extension have
been used.
. The vehicle is not in P (Park).
The engine will turn off during a
remote vehicle start if:
. The coolant temperature gets
too high.
. The oil pressure gets low.
The RKE transmitter range may be
reduced while the vehicle is running.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System 034.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
58 Keys, Doors, and Windows
Using hood-mounted air deflectors
and add-on convex mirror
attachments could decrease mirror
performance.
Power Mirrors
1. Select}or|for the driver or
passenger side mirror. The
switch will illuminate.
2. Press the arrows on the control pad to move the mirror up,
down, right, or left. 3. Adjust each outside mirror so
that a little of the vehicle and
the area behind it can be seen.
The mirrors may be equipped with a
memory function that works with the
memory seats. See Memory Seats
0 74.
There may be cargo lamps on the
bottom of the mirrors. See Exterior
Cargo Lamps 0185.
Folding Mirrors
Manual Folding
If equipped, push the mirror toward
the vehicle to fold. Push the mirror
outward to return to its original
position.
Manually fold the mirrors inward to
prevent damage when going
through an automatic car wash.
Power Folding
If equipped with power folding
mirrors:
1. Press
gto fold the mirrors in
to the folded position.
2. Press
gagain to fold the
mirrors out to the driving
position.
Resetting the Power Folding
Mirrors
Reset the power folding mirrors if:
. The mirrors are accidentally
obstructed while folding.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - CRC - 5/13/19
Keys, Doors, and Windows 59
.The mirrors are accidentally
manually folded/unfolded.
. The mirrors will not stay in the
unfolded position.
. The mirrors vibrate at normal
driving speeds.
Manually fold both mirrors if they
are out of sync. Fold and unfold the
mirrors three times using the mirror
controls to reset them to their
normal position. A popping noise
may be heard. This sound is normal
after a manual folding operation.
Remote Folding Mirrors
If equipped, press and holdQon
the RKE transmitter for
approximately one second to
remotely fold the exterior mirrors.
Press and hold
Kon the RKE
transmitter for approximately
one second to unfold. See Remote
Keyless Entry (RKE) System
Operation (Keyless Access) 034 or
Remote Keyless Entry (RKE)
System Operation (Key Access)
0 42. This feature can be turned on or off.
See
Vehicle Personalization 0170.
Task Lighting
If equipped, task lighting projects
light from the outside mirrors to the
sides of the vehicle. See Task
Lighting 0185.
Advanced Trailering Vision
System Side Cameras
If equipped, the Advanced Trailering
Vision System side cameras are on
the bottom of the outside mirrors. To
locate for cleaning, see “Surround
Vision (360 Degrees)” under
Assistance Systems for Parking or
Backing 0259.
Lane Change Alert (LCA)
The vehicle may have LCA. See
Lane Change Alert (LCA) 0272.
Side Blind Zone Alert
The vehicle may have Side Blind
Zone Alert. See Side Blind Zone
Alert (SBZA) 0271.
Heated Mirrors
If equipped with heated mirrors:
1REAR : Press to heat the
outside mirrors.
See “Rear Window Defogger” under
Dual Automatic Climate Control
System 0193.
Automatic Dimming
Mirror
If equipped, the driver outside mirror
automatically adjusts for the glare of
the headlamps from behind. This
feature comes on when the vehicle
is started.
Blind Spot Mirrors
If equipped, there is a small convex
mirror built into the upper and outer
corner of the driver outside mirror.
It can show objects that may be in
the vehicle's blind zone.