1999 Saab 9-3 repair Question date

on your sid display ,press & hold the two first big button untill display starts blinking ,after that use the plus & minus buttons to stroll through & set date ,when set press clear & u r done ,& yes u can get a regular oil change ,but recommend u only use full syn type oil much better oil for the turbo & your engine ,recommend changing oil at lease every 5ooo miles or sooner pending your driving condition.