I'm sorry but you didn't answer the question about how the heaters work. Telling me they get mounted to the car window doesn't tell me how they work. Where does the power come from? Do I have to plug it in in the car and use my battery? That kind of how does it work. Thanks
shannon b. asked on Oct 31, 2012
Hi Shannon! The Drive-In can fully explain how the heaters work as well as address any follow-up questions you may have. Please give them a call at (313) 846-6910. Thanks.
Liam W. from Groupon replied on Oct 31, 2012