engine 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
2 Introduction
Introduction The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, GMC, the
GMC Truck Emblem, SIERRA, and
DENALI are trademarks and/or
service marks of General Motors
LLC, its subsidiaries, affiliates,
or licensors.
For vehicles first sold in Canada,
substitute the name “ General
Motors of Canada Company ” for
GMC Division wherever it appears
in this manual. This manual describes features that
may or may not be on the vehicle
because of optional equipment that
was not purchased on the vehicle,
model variants, country
specifications, features/applications
that may not be available in your
region, or changes subsequent to
the printing of this owner ’ s manual.
If the vehicle has the Duramax
diesel engine, see the Duramax
diesel supplement for additional and
specific information on this engine.
Refer to the purchase
documentation relating to your
specific vehicle to confirm the
features.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners A French language manual can be
obtained from your dealer, at
www.helminc.com, or from: Propriétaires Canadiens On peut obtenir un exemplaire de
ce guide en français auprès du
concessionnaire ou à l'adresse
suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Using this Manual To quickly locate information about
the vehicle, use the Index in the
back of the manual. It is an
alphabetical list of what is in the
manual and the page number where
it can be found.
Danger, Warning, and
Caution Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
Litho in U.S.A.
Part No. 23400205 A First Printing ©
2018 General Motors LLC. All Rights Reserved.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
Introduction 3
{ DangerDanger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{ WarningWarning indicates a hazard that
could result in injury or death.
CautionCaution indicates a hazard that
could result in property or vehicle
damage. A circle with a slash through it is a
safety symbol which means “ Do
Not, ” “ Do not do this, ” or “ Do not let
this happen. ”
Symbols The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M : Shown when the owner ’ s
manual has additional instructions
or information.
* : Shown when the service
manual has additional instructions
or information.
0 : Shown when there is more
information on another page —
“ see page. ” Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. See the
features in this manual for
information.
u : Air Conditioning System
G : Air Conditioning Refrigerant Oil
9 : Airbag Readiness Light
! : Antilock Brake System (ABS)
$ : Brake System Warning Light
9 : Dispose of Used Components
Properly
P : Do Not Apply High Pressure
Water
B : Engine Coolant Temperature
_ : Flame/Fire Prohibited
H : Flammable
[ : Forward Collision Alert
R : Fuse Block Cover Lock
Location
+ : Fuses
j : ISOFIX/LATCH System Child
Restraints

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
8 In Brief 17. ENGINE START/STOP.
See Ignition Positions (Key
Access) 0 217 or Ignition
Positions (Keyless Access)
0 219 .
18. Steering Wheel Controls 0 131
(If Equipped).
Driver Information Center (DIC)
Controls.
See Driver Information Center
(DIC) (Midlevel and Uplevel)
0 160 or Driver Information
Center (DIC) (Base Level)
0 159 .
19. Horn 0 131 .
20. Hood Release. See Hood
0 314 .
21. Steering Wheel Adjustment
0 130 (Out of View).
22. Cruise Control 0 250 .
Forward Collision Alert (FCA)
System 0 260 (If Equipped).
23. Data Link Connector (DLC)
(Out of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0 149 . 24. Electric Parking Brake 0 241 .
25. Fog Lamps 0 181 (If
Equipped).
Instrument Panel Illumination
Control 0 183 .
Exterior Cargo Lamps 0 182 .
Exterior Lamp Controls 0 176 .
Task Lighting 0 182 (If
Equipped).
Initial Drive
Information This section provides a brief
overview about some of the
important features that may or may
not be on your specific vehicle.
For more detailed information, refer
to each of the features which can be
found later in this owner ’ s manual.
Stop/Start System If equipped, the Stop/Start system
will shut off the engine to help
conserve fuel. It has components
designed for the increased number
of starts.
When the brakes are applied and
the vehicle is at a complete stop,
the engine may turn off. When
stopped, the tachometer displays
AUTO STOP. See Tachometer
0 143 . When the brake pedal is
released or the accelerator pedal is
pressed, the engine will restart. See
Stop/Start System 0 222 .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 9
Remote Keyless Entry
(RKE) System The Remote Keyless Entry (RKE)
transmitter functions may work from
up to 60 m (197 ft) away from the
vehicle.
Keyless Access Key Access
K : Press to unlock the driver door.
Press
K again within three seconds
to unlock all remaining doors and
the tailgate, if equipped.
Q : Press to lock all doors and the
tailgate, if equipped. Lock and
unlock feedback can be
personalized. See Vehicle
Personalization 0 167 .
7 : Press and release one time to
initiate vehicle locator. Press
7 and
hold for more than three seconds to
sound the panic alarm. Press
7again to cancel the panic alarm. x : Press twice quickly to release
the tailgate, if equipped.
See Keys 0 30 and Remote Keyless
Entry (RKE) System Operation
(Keyless Access) 0 33 or Remote
Keyless Entry (RKE) System
Operation (Key Access) 0 41 .
Remote Vehicle Start If equipped, the engine can be
started from outside of the vehicle.
Starting the Vehicle 1. Press and release
Q on the
RKE transmitter.
2. Immediately press and hold
/ for at least four seconds or until
the turn signal lamps flash.
Start the vehicle normally after
entering.
When the vehicle starts, the parking
lamps will turn on.
Remote start can be extended.

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 13Before saving, adjust all available
memory feature positions. Turn the
ignition on and then press and
release SET; a beep will sound.
Then immediately press and hold 1,
2, or
B (Exit) until two beeps
sound. To manually recall these
positions, press and hold 1, 2, or
Buntil the saved position is reached.
When Seat Entry Memory is
enabled in vehicle personalization,
positions previously saved to
memory buttons 1 and 2 are
recalled when the ignition is
changed from off to on or ACC/
ACCESSORY.
When Seat Exit Memory is enabled
in vehicle personalization, the
feature automatically recalls the
previously saved exit position when
exiting the vehicle.
Memory adjustments may not be
available upon delivery or after
service until steps in “ Saving
Memory Positions ” section are
performed. See Memory Seats 0 73 .Heated and Ventilated
Seats
Heated and Ventilated Seat
Buttons Shown, Heated Seat
Buttons Similar
If equipped, the buttons are on the
center stack. To operate, the engine
must be running.
Press
I or
+ to heat the driver or
passenger seatback only.
Press
J or
z to heat the driver or
passenger seat cushion and
seatback. Press
C or
{ to ventilate the driver
or passenger seat.
See Heated and Ventilated Front
Seats 0 75 .
Head Restraint
Adjustment Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the head
restraint height in the proper
position.
See Head Restraints 0 68 and Seat
Adjustment 0 69 .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 21While using Range Selection Mode,
cruise control and the Tow/Haul
Mode can be used.
Grade Braking is not available when
Range Selection Mode is active.
See Tow/Haul Mode 0 234 .
Four-Wheel Drive If equipped with four-wheel drive,
the engine's driving power can be
sent to all four wheels for extra
traction.
Transfer Case Controls Use the transfer case controls to
shift into and out of the different
four-wheel drive modes. Automatic Transfer Case
The transfer case controls are to the
left of the steering column.
The different drive options that may
be available are described as
follows.
2
m (Two-Wheel Drive High) : This
setting is used for driving in most
street and highway situations.
AUTO (Automatic Four-Wheel
Drive) : This setting is ideal for use
when road surface conditions are
variable. If equipped, use 4
n , AUTO, or 4
m to
provide additional traction when
parking on a steep grade with poor
traction such as ice, snow, mud,
or gravel
4
m (Four-Wheel Drive High) : Use
this setting when extra traction is
needed for conditions such as rough
roads, deep snow or most off road
situations.
The following options are only
available with a two-speed
transfer case:
N (Neutral) : Shift to this setting
only when towing the vehicle.
See Recreational Vehicle Towing
0 399 or Towing the Vehicle 0 398 .
4
n (Four-Wheel Drive Low) : This
setting sends maximum power to all
four wheels. Choose 4
n when
driving in deep sand, mud, or snow,
and while climbing or descending
steep hills.
See Four-Wheel Drive 0 235 .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
In Brief 27in the instrument cluster and the
appropriate DIC message
displays.
.
Press and release
g again to
turn on both systems.
StabiliTrak/ESC will automatically
turn on if the vehicle exceeds
56 km/h (35 mph). Traction control
will remain off.
See Traction Control/Electronic
Stability Control 0 243 .
Tire Pressure Monitor This vehicle may have a Tire
Pressure Monitor System (TPMS).
The low tire pressure warning light
alerts to a significant loss in
pressure of one of the vehicle's
tires. If the warning light comes on,
stop as soon as possible and inflate the tires to the recommended
pressure shown on the Tire and
Loading Information label. See
Vehicle Load Limits 0 209 . The
warning light will remain on until the
tire pressure is corrected.
The low tire pressure warning light
may come on in cool weather when
the vehicle is first started, and then
turn off as the vehicle is driven. This
may be an early indicator that the
tire pressures are getting low and
the tires need to be inflated to the
proper pressure.
The TPMS does not replace normal
monthly tire maintenance. Maintain
the correct tire pressures.
See Tire Pressure Monitor System
0 369 .
Tire Fill Alert (If Equipped)
This feature provides visual and
audible alerts outside the vehicle to
help when inflating an underinflated
tire to the recommended cold tire
pressure. See “ Tire Fill Alert (If
Equipped) ” under Tire Pressure
Monitor Operation 0 370 .Fuel (Gasoline - Except
L87 6.2L Engine) Regular Unleaded Fuel
Use only Regular 87 octane —
(R+M)/2 — or higher unleaded
gasoline in your vehicle. TOP TIER
Detergent Gasoline is
recommended. Do not use gasoline
with an octane rating lower as it will
result in reduced performance and
lower fuel economy.
See Recommended Fuel (Except
6.2L V8 Engine) 0 271 or
Recommended Fuel (6.2L
V8 Engine) 0 271 .

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-1500-11698638) - 2019 - crc - 5/15/18
28 In Brief
Fuel (Gasoline - L87 6.2L
Engine) Premium Recommended
Use premium 93 octane —
(R+M)/2 — unleaded gasoline in
your vehicle. TOP TIER Detergent
Gasoline is recommended.
Unleaded gasoline with an octane
rating as low as 87 may be used,
but it will reduce performance and
fuel economy.
See Recommended Fuel (Except
6.2L V8 Engine) 0 271 or
Recommended Fuel (6.2L
V8 Engine) 0 271 .
Fuel (Diesel) For diesel vehicles, do not use
gasoline. See “ Fuel for Diesel
Engines ” in the Duramax diesel
supplement. E85 or FlexFuel FlexFuel Possible
Certain models are compatible with
E85 fuel. See E85 or FlexFuel
0 272 .
Engine Oil Life System The engine oil life system calculates
engine oil life based on vehicle use
and, on most vehicles, displays a
DIC message when it is necessary
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change.
Resetting the Oil Life System
To reset the engine oil life system:
1. Display the oil life percentage
on the DIC. See Driver Information Center
(DIC) (Midlevel and Uplevel)
0 160 or Driver Information
Center (DIC) (Base Level)
0 159 .
2. Press the thumbwheel on the
steering wheel, or the trip
odometer reset stem if the
vehicle does not have DIC
controls, for several seconds.
When the confirmation
message displays, select YES.
The oil life will change
to 100%.
The oil life system can also be reset
as follows:
1. Display the oil life percentage
on the DIC.
See Driver Information Center
(DIC) (Midlevel and Uplevel)
0 160 or Driver Information
Center (DIC) (Base Level)
0 159 .
2. Fully press the accelerator
pedal slowly three times within
five seconds.
3. If the display changes to 100%,
the system is reset.

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 .