Hrmm....That is very odd......Its bizzar because the lights give off heat as it is, so why would heat cause it...Perhaps heating too quickly causes the glass to expand, and puts too much pressure against the mounting hardware.. -Steve H '88 16v Rocco -- Email LIST problems to: scirocco-l-probs@scirocco.org. To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org