Not knowing the history - did you get the car like this, did it happen after
it was worked on, or did it happen out of the blue - I'd hazard a guess
either the wrong bulbs are in the taillights (single filament instead of
dual filament) or the ground on the taillight sockets is bad.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.