You’ll see the letters PHEV marked on a lot on new motor vehicles. It stands for ‘Plug-in Hybrid Electric Vehicle’. Mitsubishi in particular are using this acronym widely on their range of electric hybrids. It’s one of several acronyms used in this area including EHV (electric hybrid vehicle), also referred to as HEV (hybrid electric vehicle).
Maintenance or repair work on these vehicles should only be done by trained, qualified technicians and when using suitable approved safety equipment.