Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-12102101) - 2019 - crc - 10/2/18
98
Instruments and Controls
occur depending on how long the
windshield washer had been
activated. See
for information on filling the
windshield washer fluid reservoir.
Compass
The vehicle may have a compass
display on the Driver Information
Center (DIC). The compass receives
its heading and other information
from the Global Positioning
System (GPS) antenna and vehicle
speed information.
The compass system is designed to
operate for a certain number of
miles or degrees of turn before
needing a signal from the GPS
satellites. When the compass
display shows CAL, drive the
vehicle for a short distance in an
open area where it can receive a
GPS signal. The compass system
will automatically determine when a
GPS signal is restored and provide
a heading again.
Clock
Setting the Time and Date with
Base Radio Center Stack
Controls
To set the time or date:
1. Select Settings on the Home
Page, then select Time
and Date.
2. Select the desired function.
3. Turn the MENU knob to
increase or decrease the value.
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 active OnStar
or connected service plan.
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 on 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
Base Radio Touchscreen
Controls
When Auto Set is enabled the time
cannot be manually set.
1. Press
{
, then touch Settings.
2. Touch Time and Date, then Set
Time or Set Date.
3. Touch + or
−
to adjust the
value.
4. Touch
«
or
ª
to adjust AM
or PM for 12 hour format.
