Apparently the 2004 Pontiac Grand Prix has a glitch which completely hoses up the calendar display because they forgot 2004 is a leap year.

What day is it? Don’t ask the driver of General Motors Corp.’s Pontiac Grand Prix.

Due to a software glitch, the computer display in the 2004 model year Grand Prix shows the wrong day of the week, Pontiac spokesman Jim Hopson said on Monday. Engineers overlooked the fact that 2004 is a leap year, with an extra day,

“Somehow or other, the fact that this was a leap year got missed,” Hopson said. “We are working on a solution.”

This is a pretty standard date calculation in a modern language, so they must be using something pretty low level. After having to do date/time work in 1st and 2nd generation languages for college classes, it totally sucks if you’re used to a 3rd generation language which does all of this work for you.