2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 299Get this manual
ELECTRICAL Engine hours are logged anytime the engine is runningTotal hours are not re-settableProgrammed Service Interval Clock
The initial factory service interval setting is 50 hoursEach time the engine is started, the engine hours are subtracted from the service interval hoursWhen the service interval reaches 0, the LCD wrench icon will illuminate for approximately 10 seconds each time the engine is startedTo change the hour setting or reset the function, follow these steps: 1234Toggle the SELECT button until SRV is displayed in the information areaPress and hold the MODE button until the information display area begins to flashToggle the SELECT button to increase the service interval hours in hour increments to maximum of 100 hoursTo turn off the service interval function, toggle the SELECT button until "OFF" is displayed