GMC 2009 Sierra - Manual (Page 214)

MP3 Radio with a Six-Disc CD Player
If your vehicle has a radio with a six-disc CD player,
it has a MENU button instead of the
H
button to set the
time and date.
To set the time and date, follow these instructions:
1. Press the MENU button. Once the H option
displays, press the pushbutton located under
that label. The HR, MIN, MM, DD, YYYY (hour,
minute, month, day, and year) displays.
2. Press the pushbutton located under any one of the
labels that you want to change. Every time the
pushbutton is pressed again, the time or the date if
selected, increases by one.
• Another way to increase the time or date,
is to press the right
¨
SEEK arrow or the
\ FWD (forward) button.
• To decrease, press the left
©
SEEK arrow or
the s REV (reverse) button. You can also
turn the
f
knob, located on the upper right side
of the radio, to adjust the selected setting.
Changing the Time and Date Default
Settings
You can change the time default setting from 12 hours
to 24 hours or change the date default setting from
month/day/year to day/month/year.
To change the time or date default settings, follow these
instructions:
1. Press the MENU button. Once the
H
option
displays, press the pushbutton located under
the forward arrow that is currently displayed on the
radio screen until the 12H (hour) and 24H (hour),
and the date MM/DD (month and day) and DD/MM
(day and month) displays.
2. Press the pushbutton located under the desired
option.
3. Press the MENU button again to apply the selected
default, or let the screen time out.
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