There is only one way to do it is with a special service tool. it also gives us the fault codes that may have the bike.

 It's around 40 to 50 min. (if the bike has fully charged battery)

 If you have the service light on can mean two things the first is that your bike needs servicing and the second is having a problem in this case, the computer will give me adiagnostic fault code, which would indicate that this failing, without But there are flaws that can not be detected by the diagnosis computer, that are produced by mechanical problems, that's what we'll send a technician and a wealth of experience.