2004 Montana Van

[2004 Vandriver]

Wondering how to reset the values of the information center that hangs down from the ceiling that shows the miles/kil per gal/ltr, or the distance travelled, etc.

 

[Steelcity]

On my 03,you hold the down the 2 outside buttons for a few seconds. Below is the owner's manual for a 2003 (pdf) for your convenience.
http://www.pontiacforum.com/pontiac/showthread.php?t=24306&highlight=owners+manual+pdf
edit : check out page 3-58