climate control GMC SIERRA DENALI 2019 Owners Manual

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
Contents Introduction . . . . . . . . . . . . . . . . . . . . . . 2
In Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Keys, Doors, and Windows . . . . . 30
Seats and Restraints . . . . . . . . . . . 67
Storage . . . . . . . . . . . . . . . . . . . . . . . 125
Instruments and Controls . . . . . . 129
Lighting . . . . . . . . . . . . . . . . . . . . . . . 176
Infotainment System . . . . . . . . . . 187
Climate Controls . . . . . . . . . . . . . . 188
Driving and Operating . . . . . . . . . 196
Vehicle Care . . . . . . . . . . . . . . . . . . 311
Service and Maintenance . . . . . 413
Technical Data . . . . . . . . . . . . . . . . 429
Customer Information . . . . . . . . . 433
Reporting Safety Defects . . . . . . 443
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 447
Connected Services . . . . . . . . . . . 455
Index . . . . . . . . . . . . . . . . . . . . 459

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 5
In Brief Instrument Panel Instrument Panel . . . . . . . . . . . . . . . . 6
Initial Drive Information Initial Drive Information . . . . . . . . . . 8
Stop/Start System . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . 9
Remote Vehicle Start . . . . . . . . . . . 9
Door Locks . . . . . . . . . . . . . . . . . . . . 10
Windows . . . . . . . . . . . . . . . . . . . . . . . 10
Seat Adjustment . . . . . . . . . . . . . . . 11
Memory Features . . . . . . . . . . . . . . 12
Heated and Ventilated Seats . . . 13
Head Restraint Adjustment . . . . 13
Seat Belts . . . . . . . . . . . . . . . . . . . . . 14
Passenger Sensing System . . . 14
Mirror Adjustment . . . . . . . . . . . . . . 14
Steering Wheel Adjustment . . . . 16
Interior Lighting . . . . . . . . . . . . . . . . 16
Exterior Lighting . . . . . . . . . . . . . . . 17
Windshield Wiper/Washer . . . . . . 18
Climate Controls . . . . . . . . . . . . . . . 19
Transmission . . . . . . . . . . . . . . . . . . 20
Four-Wheel Drive . . . . . . . . . . . . . . 21 Vehicle Features Infotainment System . . . . . . . . . . . 22
Steering Wheel Controls . . . . . . . 22
Cruise Control . . . . . . . . . . . . . . . . . 22
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . 22
Forward Collision Alert (FCA)
System . . . . . . . . . . . . . . . . . . . . . . . 23
Forward Automatic
Braking (FAB) . . . . . . . . . . . . . . . . 23
Front Pedestrian Braking (FPB)
System . . . . . . . . . . . . . . . . . . . . . . . 23
Lane Keep Assist (LKA) . . . . . . . 24
Lane Change Alert (LCA) . . . . . . 24
Surround Vision . . . . . . . . . . . . . . . 24
Rear Vision Camera (RVC) . . . . 24
Rear Cross Traffic Alert (RCTA)
System . . . . . . . . . . . . . . . . . . . . . . . 24
Park Assist . . . . . . . . . . . . . . . . . . . . 24
Power Outlets . . . . . . . . . . . . . . . . . 25
Universal Remote System . . . . . 25
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 25
Performance and Maintenance Traction Control/Electronic
Stability Control . . . . . . . . . . . . . . 26
Tire Pressure Monitor . . . . . . . . . . 27
Fuel (Gasoline - Except
L87 6.2L Engine) . . . . . . . . . . . . . 27 Fuel (Gasoline - L87 6.2L
Engine) . . . . . . . . . . . . . . . . . . . . . . . 28
Fuel (Diesel) . . . . . . . . . . . . . . . . . . . 28
E85 or FlexFuel . . . . . . . . . . . . . . . . 28
Engine Oil Life System . . . . . . . . 28
Driving for Better Fuel
Economy . . . . . . . . . . . . . . . . . . . . . 29
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . . . 29

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 71. Tow/Haul Mode (On Some
Models). See Driver Mode
Control 0 246 .
Automatic Transfer Case
Control (If Equipped). See
Four-Wheel Drive 0 235 .
Driver Mode Control 0 246 (If
Equipped).
2. Air Vents 0 194 .
3. Head-Up Display (HUD) 0 163
(If Equipped).
4. Turn Signal Lever. See Turn
and Lane-Change Signals
0 181 .
Windshield Wiper/Washer
0 131 .
5. Instrument Cluster 0 138 .
6. Shift Lever. See Automatic
Transmission 0 229 .
Range Selection Mode. See
Manual Mode 0 232 .
7. Light Sensor. See Automatic
Headlamp System 0 179 .
8. Infotainment 0 187 . 9. Climate Control Systems 0 188
(If Equipped).
Dual Automatic Climate Control
System 0 190 (If Equipped).
10. Heated and Ventilated Front
Seats 0 75 (If Equipped).
11.
X Park Assist Switch (If
Equipped). See Assistance
Systems for Parking or Backing
0 254 .
g Traction Control/Electronic
Stability Control 0 243 .
| Hazard Warning Flashers
0 180 .
A Lane Keep Assist (LKA)
0 269 (If Equipped).
5 Hill Descent Control Switch
(If Equipped). See Hill Descent
Control (HDC) 0 245 .
j Power Assist Steps 0 52 (If
Equipped).
5 Power Release Tailgate
(If Equipped). See Tailgate
0 47 . DC/AC Switch. See Power
Outlets 0 132 .
h Auto Stop Disable Switch
(If Equipped). See Stop/Start
System 0 222 .
L Express Window Down
Button (If Equipped). See
Power Windows 0 63 .
Tow/Haul Mode (On Some
Models). See Driver Mode
Control 0 246 .
12. Power Outlet (Alternating
Current) (If Equipped). See
Power Outlets 0 132 .
13. Power Outlets 0 132 .
14. USB Port. See the infotainment
manual.
15. Wireless Charging 0 135 (If
Equipped).
16. Trailer Brake Control Panel (If
Equipped). See “ Integrated
Trailer Brake Control System ”
under Towing Equipment
0 285 .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 19
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 - 5/15/18
20 In Brief
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 0 188
or Dual Automatic Climate Control
System 0 190 (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 0 232 .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 25The vehicle may also have the Front
Park Assist system.
See Assistance Systems for Parking
or Backing 0 254 .
Power Outlets Accessory power outlets can be
used to plug in electrical equipment,
such as a cell phone, MP3
player, etc.
The vehicle has one accessory
power outlet under the climate
control system and one accessory
power outlet on the rear of the
center console, if equipped, or on
the rear of the bench seat,
if equipped.
Lift the cover to access and replace
when not in use.
See Power Outlets 0 132 . Universal Remote System
If equipped, the Universal Remote
system enables the vehicle to
control three different devices,
ranging from garage doors and
gates to home lighting. These
buttons are in the overhead
console.
See Universal Remote System
0 172 . Sunroof
1. SLIDE Switch
2. TILT Switch
If equipped, the sunroof operates
when the ignition is on or in ACC/
ACCESSORY, or when Retained
Accessory Power (RAP) is active.
See Retained Accessory Power
(RAP) 0 225 .
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

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 29See Engine Oil Life System 0 323 .
Driving for Better Fuel
Economy Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible:
.
Set the climate controls to the
desired temperature after the
engine is started, or turn them
off when not required.
.
Avoid fast starts and accelerate
smoothly.
.
Brake gradually and avoid
abrupt stops.
.
Avoid idling the engine for long
periods of time.
.
When road and weather
conditions are appropriate, use
cruise control.
.
Always follow posted speed
limits or drive more slowly when
conditions require.
.
Keep vehicle tires properly
inflated. .
Combine several trips into a
single trip.
.
Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
.
Follow recommended scheduled
maintenance.
Roadside Assistance
Program U.S.: 1-888-881-3302
TTY Users (U.S. Only):
1-888-889-2438
Canada: 1-800-268-6800
New GMC owners are automatically
enrolled in the Roadside Assistance
Program.
See Roadside Assistance Program
0 437 .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
Keys, Doors, and Windows 43
2. Press and slide the battery
down 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 0 75 and Vehicle
Personalization 0 167 .
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 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 0 33 .
Starting the Engine Using Remote
Start
1. Press and release
Q .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
44 Keys, Doors, and Windows 2. Immediately press and hold
/until the turn signal lamps flash
or for at least four seconds.
When the vehicle starts, the
parking lamps will turn on. The
doors will be locked and the
climate control system may
come on.
The engine will continue to run
for 15 minutes. After
30 seconds, repeat
Steps 1 and 2 for a 15-minute
time extension.
Turn the ignition on to operate the
vehicle.
Extending Engine Run Time
The engine run time can be
extended by 15 minutes, for a total
of 30 minutes, if during the first
15 minutes Steps 1 and 2 are
repeated while the engine is still
running. An extension can be
requested 30 seconds after starting.
A maximum of two remote starts,
or a single start with an extension,
is allowed between ignition cycles. The vehicle's ignition must be
turned on and then back off to use
remote start again.
Canceling a Remote Start
To cancel a remote start, do one of
the following:
.
Press and hold
/ until the
parking lamps turn off.
.
Turn on the hazard warning
flashers.
.
Turn the ignition on and then off.
Door Locks
{ Warning
Unlocked doors can be
dangerous.
.
Passengers, especially
children, can easily open
the doors and fall out of a
moving vehicle. The doors
can be unlocked and
opened while the vehicle is
moving. The chance of
(Continued) Warning (Continued) being thrown out of the
vehicle in a crash is
increased if the doors are
not locked. So, all
passengers should wear
seat belts properly and the
doors should be locked
whenever the vehicle is
driven.
.
Young children who get into
unlocked vehicles may be
unable to get out. A child
can be overcome by
extreme heat and can suffer
permanent injuries or even
death from heat stroke.
Always lock the vehicle
whenever leaving it.
.
Outsiders can easily enter
through an unlocked door
when you slow down or stop
the vehicle. Locking the
doors can help prevent this
from happening.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
58 Keys, Doors, and Windows See Remote Keyless Entry (RKE)
System Operation (Keyless Access)
0 33 or Remote Keyless Entry
(RKE) System Operation (Key
Access) 0 41 .
This feature can be turned on or off.
See Vehicle Personalization 0 167 .
Task Lighting
If equipped, task lighting projects
light from the outside mirrors to the
sides of the vehicle. See Task
Lighting 0 182 .
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 0 254 .
Lane Change Alert (LCA)
The vehicle may have LCA. See
Lane Change Alert (LCA) 0 267 . Side Blind Zone Alert
The vehicle may have Side Blind
Zone Alert. See Side Blind Zone
Alert (SBZA) 0 267 .
Heated Mirrors If equipped with heated mirrors:
1 REAR : Press to heat the
outside mirrors.
See “ Rear Window Defogger ” under
Dual Automatic Climate Control
System 0 190 .
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.