After Paying $62 to fill up the other day...just wondering how to protect my liquid investment from theives in a city parking lot. Is there an available aftermarket locking cap?

thanks in advance,
Jeff

AC Delco GT-1391 http://www.rockauto.com/ref/ACDelco/Detail.html?GT139l.jpg

Stant also makes a locking cap.

//2000CAYukon

Thank you very much, I hope to stop by my service dept. to see if they stock them this Tuesday!