GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
22 Keys, Doors, and Windows
Press the brake pedal and turn the ignition
on to drive the vehicle.
Total Engine Run Time
Remote start can be used for up to
30 minutes of total engine run time.
After two remote starts of 15 minutes,
or multiple shorter time starts totaling
30 minutes have been used, the vehicle
must be started and then turned off before
the remote start can be used again.
Canceling a Remote Start
To cancel a remote start, do one of the
following:
.PressS. The parking lamps will 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(Continued)
Warning (Continued)
is moving. The chance of 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.
There are several ways to lock and unlock
the vehicle.
From outside:
.Use the remote key.
.Use Keyless Access, if equipped.
.Use the key in the driver door or the
passenger door, if equipped. From inside, pull the door handle once to
unlock the door. Pull the handle again to
open the door.
See
Vehicle Alarm System 032.
Keyless Access
If equipped, the remote key must be within
1 m (3 ft) of the tailgate or door being
opened or locked. Press the button on the
door handle to open. See “Keyless Access
Operation” inRemote Key Operation 015.
Free-Turning Locks
The door key lock cylinder turns freely when
either the wrong key is used, or the correct
key is not fully inserted. The free-turning
door lock feature prevents the lock cylinder
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
24 Keys, Doors, and Windows
Safety Locks
The rear door safety locks prevent
passengers from opening the rear doors
from inside the vehicle.
The safety lock is on the inside edge of the
rear doors. To use the safety lock:1. Move the lever down to the lock position.
2. Close the door.
3. Do the same for the other rear door. To open a rear door when the safety lock
is on:
1. Unlock the door by activating the inside handle, by pressing the power door
unlock switch, or by using the
remote key.
2. Open the door from the outside.
When the safety lock is enabled, adults and
older children will not be able to open the
rear door from the inside. Cancel the safety
locks to enable the doors to open from the
inside.
To cancel the safety lock: 1. Unlock the door and open it from the outside.
2. Move the lever up to unlock. Do the same for the other door.
Doors
Tailgate
Manual Tailgate
{Warning
It is extremely dangerous to ride on the
tailgate, even when the vehicle is
operated at low speeds. People riding on
the tailgate can easily lose their balance
and fall in response to vehicle maneuvers.
Falling from a moving vehicle may result
in serious injuries or death. Do not allow
people to ride on the tailgate. Be sure
everyone in your vehicle is in a seat and
using a seat belt properly.
Use the key to unlock the tailgate.
Open the tailgate by lifting up on its handle
while pulling the tailgate down.
To shut the tailgate, firmly push it upward
until it latches.
After closing the tailgate, pull it back to be
sure it is latched securely.
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
Keys, Doors, and Windows 41
Truck Bed Camera Rearview
Mirror
If equipped, this automatic dimming mirror
provides a video image, when activated, to
allow the driver to momentarily check the
pickup bed area contents or to align and
attach a gooseneck or fifth-wheel trailer.
.Push the button at the bottom of the
mirror once to activate the display.
.Push the button a second time to zoom
the camera’s view.
.Push the button a third time to
deactivate the display.
When the vehicle is in R (Reverse) and
button has been pressed, the display will
remain on until the driver deactivates it.
When not in R (Reverse), the video image
will time out after eight seconds.
When in Zoomed Mode, the display features
guidelines to help the driver align the
vehicle when attaching a trailer. Both the
horizontal and vertical guideline’s position
can be adjusted by the driver.
To adjust the position of the horizontal
guideline, press and hold the button for
eight seconds until it starts blinking. Each
subsequent button press scrolls the position
of this line through its range of possible
settings. Once the horizontal guideline is in the
desired location, press and hold the button
for another three seconds and repeat the
above step for the vertical guideline
programing. To readjust the horizontal
location of the guidelines after adjusting the
vertical location, press and hold the button
for three seconds.
After eight seconds since the last button
press, the position of the guidelines is
locked into memory.
Windows
{
Warning
Never leave a child, a helpless adult, or a
pet alone in a vehicle, especially with the
windows closed in warm or hot weather.
They can be overcome by the extreme
heat and suffer permanent injuries or
even death from heat stroke.
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
Seats and Restraints 53
To save the common exit seating position to
Bthat is used by all drivers for Manually
Recalling Seating Positions and Auto Seat
Exit Memory Recall features, repeat
Steps 1–4 using
B, the exit button.
Manually Recalling Seating Positions
Press and hold 1, 2, or
Bbutton until the
recall is complete, to recall the positions
previously saved to that button.
Manual Memory recall movement for 1, 2 or
Bbuttons may be initiated and will
complete to the saved memory position if
the vehicle is in or out of P (Park).
Enabling Automatic Recalls
.Seat Entry Memory moves the driver
seat to the selected 1 or 2 position when
the vehicle is started. Select Settings >
Vehicle > Seating Position > Seat Entry
Memory > ON or OFF. See “Auto Seat
Entry Memory Recall” later in this section.
.Seat Exit Memory moves the driver seat
to the preferred exit position of the
B
button when the vehicle is turned off and
the door is opened. Select Settings >
Vehicle > Seating Position > Seat Exit Memory > Select ON or OFF. See
“Auto
Seat Exit Memory Recall” later in this
section.
Auto Seat Entry Memory Recall
Seat Entry Memory will automatically begin
movement to the seating positions of the 1
or 2 button corresponding to remote key
number 1 or 2 detected by the vehicle when:
.The vehicle is turned ON.
.Seating positions have been previously
saved to the same 1 or 2 button. See
“Saving Seating Positions” previously in
this section.
.Seat Entry Memory is enabled. See
“Enabling Automatic Recalls” previously in
this section.
.The vehicle is in P (Park).
Seat Entry Memory Recall will continue if
the vehicle is shifted out of P (Park) prior to
reaching the saved memory position.
If the saved memory seat position does not
automatically recall, verify the recall is
enabled. See “Enabling Automatic Recalls”
previously in this section.
If the memory seat recalls to the wrong
position, remote key number 1 or 2 may not
match the memory button number positions they were saved to. Try the other remote
key or try saving the positions to the other
1 or 2 memory button. See
“Saving Seating
Positions” previously in this section.
Automatic Seat Entry Memory recalls are
only available for remote key numbers 1 and
2. Remote keys 3–8 will not provide Seat
Entry Memory recalls.
Auto Seat Exit Memory Recall
Seat Exit Memory will begin movement to
the seating position of the
B
button when:
.The vehicle is turned off and the driver
door is open or opened within a
short time.
.A seating position has been previously
been saved to the
Bmemory button.
See “Saving Seating Positions” previously
in this section.
.Seat Exit Memory is enabled. See
“Enabling Automatic Recalls” previously in
this section.
.The vehicle is in P (Park).
Seat Exit Memory is not linked to the
remote key. The seating position saved to
Bis used for all drivers.
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
54 Seats and Restraints
Cancel Memory Seating Recalls
.During any memory recall:
Press a power seat control
Press SET memory button
.During Manual memory recall:
Release 1, 2, or
Bmemory button
.During Auto Seat Entry Memory Recall:
Turn vehicle off
Press SET, 1, 2, or
Bmemory buttons
.During Auto Seat Exit Memory Recall:
Press SET, 1, 2, or
Bmemory buttons
Obstructions
If something has blocked the seat while
recalling a memory position, the recall may
stop. Remove the obstruction and try the
recall again. If the memory position still
does not recall, see your dealer.
Heated and Ventilated Front
Seats
{Warning
If temperature change or pain to the skin
cannot be felt, the seat heater may cause
burns. To reduce the risk of burns, use
care when using the seat heater,
especially for long periods of time. Do
not place anything on the seat that
insulates against heat, such as a blanket,
cushion, cover, or similar item. This may
cause the seat heater to overheat. An
overheated seat heater may cause a burn
or may damage the seat.
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
Ior+to heat the driver or
passenger seatback only.
Press
Jorzto heat the driver or
passenger seat cushion and seatback.
Press
Cor{to ventilate the driver or
passenger seat.
The indicator light on the button comes on
when this feature is on.
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
162 Infotainment System
Satellite Radio
SiriusXM Radio Service
If equipped, vehicles with a valid SiriusXM
radio subscription can receive SiriusXM
programming.
SiriusXM radio has a wide variety of
programming and commercial-free music,
coast to coast, in digital-quality sound. In
the U.S., see www.siriusxm.com or call
1-888-601-6296. In Canada, see
www.siriusxm.ca or call 1-877-438-9677.
When SiriusXM is active, the channel name,
number, song title, and artist appear on the
display.
SiriusXM with 360L
SiriusXM with 360L interface has enhanced
in-vehicle listening experience for
subscribers. The experience now offers more
categories and system learned
recommendations toward discovering more
personalized content.
To use the full SiriusXM 360L program,
including streaming content and listening
recommendations, OnStar Connected Access
is required and Terms and Conditions
accepted. Connected vehicle services vary bymodel and require a complete working
electrical system, cell reception, and GPS
signal.
Reference the SiriusXM user guide for use
and subscription information.
Playing SiriusXM Content
Touchr,j,ror[on the now playing
screen to rewind, pause, play, or fast
forward content.
Finding a Channel
From the SiriusXM now playing screen,
touch
oCH or CHpto open the SXM tuner
channel list.
To directly tune to a channel, touch the
Tune icon to enter a channel number using
the keypad.
Browsing Content
Touch(to view different browsing
content.
Browse will include Channels, Music, On
Demand shows and episodes, Sports and
News content.
SiriusXM Settings
From the SiriusXM now playing screen,
touch the user settings icon in the upper
right to display the SiriusXM settings
The settings include subscription
information, help and support, and listener
preferences.
Radio Reception
Unplug electronic devices from the accessory
power outlets if there is interference or
static in the radio.
FM
FM signals only reach about 16 to 65 km
(10 to 40 mi). Although the radio has a
built-in electronic circuit that automatically
works to reduce interference, some static
can occur, especially around tall buildings or
hills, causing the sound to fade in and out.
AM
The range for most AM stations is greater
than for FM, especially at night. The longer
range can cause station frequencies to
interfere with each other. Static can also
occur when things like storms and power
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
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Infotainment System 173
2. Touch the new cell phone to link to fromthe list of available phones. See “First to
Connect Paired Phones” previously in this
section.
Switching to Handset or
Hands-Free Mode
To switch between handset or
hands-free mode:
.While the active call is hands-free, touch
the Audio Output option, then touch
Phone to switch to the handset mode.
The mute icon will not be available or
functional while Handset mode is active.
.While the active call is on the handset,
touch the Audio Output option, then
touch Car Speakers to switch to the
hands-free mode.
Making a Call Using Contacts
Calls can be made through the Bluetooth
system using personal cell phone contact
information for all cell phones that support
the Phone Book feature. Become familiar
with the cell phone settings and operation
and that the phone is set to allow the
sharing of contacts over Bluetooth with the
vehicle. Verify the cell phone supports this feature and that the phone is set to allow
the sharing of contacts over Bluetooth with
the vehicle.
The Contacts menu accesses the phone book
stored in the cell phone.
To make a call using the Contacts menu:
1. Touch the Phone icon on the Home Page or on the shortcut tray near the left of
the display.
2. Touch Contacts.
3. There are two methods to search for contacts:
.Search bar –Touch the search icon
on the top right of the Phones
window and type the name or
number of the contact on the
keyboard. Search results will be
displayed corresponding to the user
input. Touch the name to call.
.Scroll –Touch the list and scroll,
or use the scrollbar on the left side
of the Phones window. Touch the
name to call.
Making a Call Using the Recents Menu
The Recents menu accesses the recents call
list from your cell phone.
To make a call using the Recents menu:
1. Touch the Phone icon on the Home Page or on the shortcut tray near the left of
the display.
2. Touch Recents.
3. Touch the name or number to call.
Making a Call Using the Keypad
To make a call by dialing the numbers: 1. Touch the Phone icon on the Home Page or on the shortcut tray near the left of
the display.
2. Touch Keypad and enter a phone number.
3. Touch the phone icon on the infotainment display to start dialing the
number.
Searching Contacts Using the Keypad
To search for contacts using the keypad:
1. Touch the Phone icon on the Home Page.
2. Touch Keypad and enter partial phone numbers or contact names using the
digits on the keypad to search.
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
188 Infotainment System
Trademarks and License
Agreements
FCC Information
SeeRadio Frequency Statement 0413.
"Made for iPhone," means that an electronic
accessory has been designed to connect
specifically to iPhone, and has been certified
by the developer to meet Apple
performance standards. Apple is not
responsible for the operation of this device
or its compliance with safety and regulatory
standards. Please note that the use of this
accessory with iPhone may affect wireless
performance. iPhone are trademarks of
Apple Inc., registered in the U.S. and other
countries.
Trial length and service availability may vary
by model, model year or trim. Service will
automatically stop at the end of your trial
subscription period unless you decide to
continue service. If you do not wish to enjoy
your trial, you can cancel by calling the
number below. All SiriusXM services require
a subscription, each sold separately by
SiriusXM after the trial period. Service
subject to the applicable SiriusXM Customer
Agreement and Privacy Policy, visit
www.siriusxm.com (USA) or www.siriusxm.ca
(Canada) to see complete terms and how to
cancel which includes calling 1-866-635-2349
(USA) or 1-888-539-7474 (Canada). Some
services and features are subject to device
capabilities and location availability. Content
varies by SiriusXM subscription package. All
fees, content and features are subject to
change.
SiriusXM with 360L: Some features,
including streaming content and listening
recommendations, require an active OnStar Connected Access plan and may vary by
vehicle model. Content varies by SiriusXM
subscription plan. GM connected vehicle
services vary by vehicle model and require
active service plan, working electrical
system, cell reception and GPS signal. See
onstar.com for details and limitations.
SiriusXM, Pandora, Stitcher and all related
logos are trademarks of Sirius XM Radio Inc.
and its respective subsidiaries.
SiriusXM satellite service is only available in
the 48 contiguous United States (and Puerto
Rico with limited availability) and Canada.
In Canada: Some deterioration of service
may occur in extreme northern latitudes.
This is beyond the control of SiriusXM.
Explicit Language Notice: Channels with
frequent explicit language are indicated with
an
“XL” after the channel name.
Family-friendly packages are available by
contacting SiriusXM:
.USA Customers —See www.siriusxm.com
or call 1-888-601-6296.
.Canada Customers —See
www.siriusxm.ca or call 1-877-438-9677.
It is prohibited to copy, decompile,
disassemble, reverse engineer, hack,
manipulate, or otherwise make available any