Re: resetting a service-indicator volvo V-40 - 19D
1 switch ignition off,2,press and hold reset button(reset for mileage
trip)3 switch ignition on,4 keep reset depressed until service indicator
flashes,this will flash for appr 10 secs,5 release
reset trip button within 4 secs of the service light starting to flash.if
it's over 4 secs you will have to restart the process regards.