The way your doors and hatch/trunk stay closed. The latch, and the striker it "latches" to. The striker is basically a fancy bolt with a plastic sleave which is prone to wear out, and you need the above mentioned star bit to unscrew it and replace it.
Ahhh.... I knew that. I was all caught up with engine questions so I was trying to think of something in the internals that would be refered to as a striker latch! Heh...
The Shape said:
I didn't have a bit that size, but my vice grips fit perfectly. Be advised though that works best if you neck is atleast slightly red as mine is.