You can also remove the bulb to keep it from coming back on later. Like Cirrus said, it comes on by mileage, usually 50k increments. The later Monty's have a "Maint Reqd" light in it's place. I took the bulb out, cause I'm not a tard and I know when something needs to checked <img src="/forums/images/graemlins/smile.gif" alt="" />

Fasteddy's advice is occasionally sound...