GMC 2014 Sierra Denali 2500HD, Owner'S Manual, Page: 137 / 440

GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-14632286) - 2021 - CRC - 11/19/20
136 Instruments and Controls
Service Mode
This feature disables the air suspension
system and is used to prevent unintended
raising or lowering of the suspension..
Touch Off or On.
Alignment Mode
This feature will optimize the vehicle height
to provide the most accurate wheel
alignment.
Touch Off or On.
Trailering
Touch and the following may display:
. Side Trailer Camera
.
Bed View Camera Lighting
Side Trailer Camera
This feature specifies if using the turn signal
during a lane change will also display an
applicable side view of the trailer and
vehicle. See
Assistance Systems for Parking
or Backing 0 255 .
Touch Off or On.
Bed View Camera Lighting
This feature specifies if the truck bed rail
lights are turned on when the Bed View
Camera is active. See
Assistance Systems for
Parking or Backing 0 255 .
Touch Off or On.
Teen Driver
See “ Teen Driver ” under Settings 0 187 .
Valet Mode
This will lock the infotainment system and
steering wheel controls. It may also limit
access to vehicle storage locations,
if equipped.
To enable valet mode:
1. Enter a four-digit code on the keypad.
2. Select Enter to go to the confirmation
screen.
3. Re-enter the four-digit code.
Touch Lock or Unlock to lock or unlock the
system. Touch Back to go back to the
previous menu.
Universal Remote System
See Radio Frequency Statement 0 415 .
Universal Remote System
Programming
If equipped, these buttons are in the
overhead console.
This system can replace up to three remote
control transmitters used to activate devices
such as garage door openers, security
systems, and home automation devices.
These instructions refer to a garage door
opener, but can be used for other devices.