Originally Posted by swamp2
Cost of manufacturing (as few changes to as few parts as possible) as well as local country laws on optional equipment both contribute to the configuration we see in production. I bet rear fogs are illegal in many places in the US.
Actually I think it is for the second brake light. If you look in the manual you will find that when you hit the brakes the brake lights come on (nosh!## right) but if you hit the pedal harder the brake lights get brighter. I am sure that is what the extra bulbs are for.