Reset service light Rover

Find how do you can reset service light or turn off board light maintenance indicator when errors like, oil change, check engine, change intervol of inspection, airbag light, inspection key, when maint reqd, appear on board computer display. For Rover car models, Rover 25, Rover 45, Rover 75, Rover 200, Rover 214, Rover 416, Rover 420, Rover 620, Rover MG, Rover CityRover, Rover Streetwise.