Hi Chan Kc! Visit https://erp.lta.gov.sg/bookobuinstallation/#/microsite/home to check if your vehicle is eligible for free OBU installation, and to find a suitable LTA-authorised workshop to perform OBU installation for your vehicle's make. For more information, check here: https://onemotoring.lta.gov.sg/content/onemotoring/home/driving/ERP/erp-2-0.html