How to set the date and time on a 1989 allante?

that's the only problem on that digital dash?! amazing! further problems lie ahead- might as well start thinkin' old school and find the optional analog gauges and put them in-

If you need the owners manual try here - http://www.ebay.com/itm/like/360482134785?lpid=82 another option is here - http://www.books4cars.com/listings.php?findmake=Allante these may or may not be the best prices available. If you plan to keep your car - definitely buy the Shop Service Manual. Do not assume anyone will know all the very specialized details of a very limited production car and how to fix them,