Reading the oil-change indicator, what counts as severe duty on the Seacoast, and how summer driving changes the timing.

Change your Jeep's oil when the Oil Change Indicator on the dash tells you to, and never let it run past 10,000 miles or 12 months, whichever comes first. When the "Change Oil" message appears, get it done within about 500 miles. The longer answer, the one that actually matters in summer, is that heat, towing to the lakes, beach traffic, and trail dust push most local Jeeps onto the shorter end…