Hi Wang Wee Cheng, thank you for leaving a question. To convert a Z11 vehicle, you will need to change your car insurance back to normal usage. Afterwards, Login to OneMotoring e-services with your singpass: https://onemotoring.lta.gov.sg/content/onemotoring/home.html . Go to Ownership > Vehicle scheme/specifications > Convert my vehicle scheme. Select drop down option for Conversion Type: Private Hire (Chauffeur) to Passenger Car – Z to P.