Hello, My AC heating element on my Dometic RM2354 refrigerator (in a 2005 Sprinter) went out so I ordered a replacement. What I'm wondering is if anyone has replaced one and has the knowledge of how to open up the cylinder so I can slide out the old one and replace it. There seems to be a tab so I'm thinking I need to squeeze the tube so it pops open. Any help would be appreciated! Thanks

