that depends on which country your from, in the uk by law only one is required and it has to be on the drivers side even though there is fog light apertures on both side sometimes there is only one connected
Vehicle: E320, SLK320, MKV Jetta TDI, Mini Cooper S
Location: Arizona
Posts: 1,678
RE: REAR FOG LIGHTS
They come with just one connected but you can connect the other one up and put a socket and bulb in it yourself.
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