Headlights, taillights and indicators are all vital to stay safe and legal – so you should regularly check they’re working ...

All the bulbs tested were H4 double-filament specification ... As a result, the Hyper Arros came stone-dead last. New performance cars keep coming thick and fast, in spite of all the doom mongering.

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the ...