I have a 2017 (3500 miles total) with only 1000 miles on the oil but the OLM is reading 7%. I think it is solely because it is approaching the one year mark since the last change. Is it imperative to have the oil changed immediately or could I get some more mileage out of the oil before a change? I have heard that you don't really need to change the oil every year as long as the car is driven on a regular basis however car sat for almost the entire year. Therefore maybe the computer is accounting for the car not being driven and I have answered my own question. Thanks.