Hi gang: Due to issues that unfortunately got in the way of life last year, I missed doing my regular oil change on 95 Nissan Maxima. I did an oil change today and saw that the last time I did the filter/oil change was Jan 2016. The car is garaged and only had 3k miles since the last change. I have used Mobil 1 regular synthetic (not the extended interval one) 5W-30 since 1995. I always use Nissan OEM filters. The oil was dark, but not black, and flowed out of the drain OK. My manual specifies 3750 miles/3 months for severe service and 7500 miles/6 months for non-severe service. In general, I have done the changes at about 5-6 months regardless of mileage. Should I run the car another 1k miles now or so and change it out again or let it go my usual full 5-6 months and get back on schedule.