CHEVROLET 2010 Impala - Manual (Page 209)

The date does not automatically display. To see the
date press the
H
button while the radio is on. The date
with display times out after a few seconds and goes
back to the normal radio and time display.
To change the time default setting from 12 hour to
24 hour or to change the date default setting from
month/day/year to day/month/year:
1. Press the
H
button and then the pushbutton located
under the forward arrow tab. Once the time 12H and
24H, and the date MM/DD/YYYY (month, day, and
year) and DD/MM/YYYY (day, month, and year)
displays.
2. Press the pushbutton located under the desired
option.
3. Press the H or MENU button again to apply the
selected default, or let the screen time out.
Radio(s)
Radio with CD
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