Been using this on my slides, jacks, hinges, door locks, anything that's supposed to move freely & have had no issues in past 5 years. It's readily available at most auto parts stores & I usually pick it up at Wal-Mart. Scwintech video recommended CRC silicone spray, this has the same ingredient (Teflon) for about a 3rd of the price & much easier to find.
Just FYI, the factory warranty techs also recommend Pledge furniture polish to clean/treat all the seals throughout your rv, dirt doesn't stick to it & again is much cheaper than rv seal treatment from a rv dealer. I actually use the imitation Pledge from the dollar store.
One word of caution DO NOT use regular WD40 on anything but rusted bolts, they do make silicone spray which good, but the regular is very bad on rubber & it's a great dirt magnet.
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