my mistubish montero sport 2006 is showing service engine

What is the mileage on it now? There's different ranges of service depending on the mileage.

thanks for your reply, my mileage is 147,000 changed all the all filters,oil but still the signs can not go off

•1 Turn the ignition key to the "ON" position without starting the engine. •2 Press the button to the left of the display on the instrument panel twice within one second. The oil life status will be displayed on the panel -- this should be past the mileage due for the service interval if the wrench icon is illuminated •3 Turn the ignition key to the "OFF" position within 10 seconds of the status display. •4 Press and hold the button to the left of the display again with one hand while turning the ignition key back to the "ON" position without starting the engine. The oil life status will show once again •5 Continue to hold down the button for a few seconds longer, and then release it. Wait 10 seconds until a chime indicates and displays 6,000 miles for at least another 10 seconds.