MP4-12C - Service light | McLarenChat
  1. Diablorlm

    Diablorlm Rookie

    Dec 21, 2018
    Full Name:
    Robert Miller
    Does anyone know how to do a service light reset I like doing a lot of my services myself
    If possible step by step procedure
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  3. Night life

    Night life Karting

    Dec 1, 2007
    Regina, Canada
    Full Name:
    Roberto Giannini
    Yes take it to a dealer.

    As far as I know there are no second hand OBD2 readers that will clear out fault codes or service lights.
  4. Mark Block

    Mark Block Rookie

    Nov 11, 2019
    Full Name:
    Mark Block
    l recall seeing or reading that resetting the instrument cluster date to a prior date will allow changes to the service update.
    It may have been youtube or this site. Try to do a search if needed. Personally I have no experience trying this, but can appreciate your frustration.
    Wish i could be more helpful but hopefully this will be of assistance.

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