I got a car wash an about 2 hours later i noticed the temp gage was not working what could be wrong with it

What is your question?

My temp gages stay on cold but i have heat and i have antifreeze what could i do.i got a car wash today could of that did something.

What makes this problem better or worse?

Nothing it stays on cold but i have heat

How long has your 2006 Saturn Relay had this problem?

2 hours