Saturn 2008 Aura - Manual (Page 187)

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, follow these
instructions:
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 clock or MENU button again to apply the
selected default, or let the screen time out.
Radio(s) (MP3)
Your vehicle has one of these radios as its audio
system.
Radio with CD shown, Radio with
Six-Disc CD similar
3-59