GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
Instruments and Controls
129
4. Press the MENU knob to go to
the next value. After the last
value is selected, the system
will update and return to the
Settings menu. Press
o
BACK
to go to the last menu and
save the changes.
Auto Set requires an OnStar
subscription.
If auto timing is set, the time
displayed on the clock may not
update immediately when driving
into a new time zone.
To set the clock display:
1. Select SETTINGS from the
Home Page, then select Time
and Date.
2. Select Clock Display.
3. Turn the MENU knob to Off
or On.
4. Press the MENU knob to
select.
Press
o
BACK to go to the last
menu and save the changes.
Setting the Time and Date with
Touchscreen Controls
To set the time:
1. Touch SETTINGS from the
Home Page, then touch Time
and Date.
2. Touch Set Time and touch
«
or
ª
to increase or decrease
hours, minutes, and AM or PM.
Touch 12
–
24 Hr for 12 or
24 hour clock.
3. Touch the
}
or
0
screen
button to go back to the
previous menu.
Auto Set requires an OnStar
subscription.
If auto timing is set, the time
displayed on the clock may not
update immediately when driving
into a new time zone.
To set the date:
1. Touch SETTINGS from the
Home Page, then touch Time
and Date.
2. Touch Set Date and touch
«
or
ª
to increase or decrease
month, day, or year.
3. Touch the
}
or
0
screen
button to go back to the
previous menu.
To set the clock display:
1. Touch SETTINGS and touch
Time and Date.
2. Touch Clock Display and touch
OFF or ON to turn the clock
display off or on.
3. Touch the
}
or
0
screen
button to go back to the
previous menu.
Power Outlets
Power Outlets 12 Volt Direct
Current
Accessory power outlets can be
used to plug in electrical equipment,
such as a cell phone, MP3
player, etc.
The vehicle may have up to four
accessory power outlets.