when we first started this RV thing we traveled with our cat in a 26' class a MH: the only pblm: one day she learned how to crawl into the dash from the driver's side and then she crawled thru the dash across to the passenger side. taking the dash apart was not an option so i use a small phillips screwdriver and gently poking her backside thru the vents i encouraged her to back out. from that point forward we used several small pieces of plywood to block the underside of the dash by the foot controls.
cats are curious and can fit into pretty small spaces. when we traded for a new MH we had their shop "kitty proof" the RV...block access under the dash and a few other places (the shop guys still talk about it). my advice is to kitty proof your trlr.
Rich
Ham Radio, Sport Pilot, Retired 9-1-1 Call Center Administrator
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2016 Itasca Suncruiser 38Q
'46 Willys CJ2A
'23 Jeep Wrangler JL
'10 Jeep Liberty KK
& MaggieThe Wonder Beagle