How to set time and date on 91 seville - 1991 Cadillac Seville

Below the information center locate the small hole right of the words date/time set.Insert a pen or pointed object into the hole. The function will flash when it is ready to set. Use the time/temp and the range buttons to adjust. The first push of the pen the minutes will flash . second the hours, third the date, fourth the month, fifth the year and sixth will end time date set function. Any other buttons will end time date set except time/temp and range buttons.