This damn thing is starting to bug me big time,I left work today, & that thing was flashing SERVICE VEHICLE,the carran o.k.,i got home,turned off the car,started it up &guess wah?,It read regular,trip,odo.I then proceeded to ring up Saturn 7 explained it to the ''service guy'',I asked if i can still drive it,& he said yes,i asked him why did it read SERVICE?,he said theres no way of knowing until it gets a dianos,I then asked him is this going to happen again,he saiditcould.I'm telling you lucy!!!!.