sevicelicht resetting on 2000 Volvo V70 XC
If you have your owners manual, the procedure should be in there. As I remember, you put the key in position I, press down trip re-set and the other button just like it turn the key to position II, but don't start the engine and wait until the service light blinks and then you start the engine. I could a little bit off, but that is the basic idea.
many tanks for your mail it works . tanks best regards Guus
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go to www.swedishautoparts.com. search reset service lights abd this should fix your problem.