Depends on exactly where the door is squeaking. If the hinges, lube them.
Model and Year - yes it matters.
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Bill and Brenda + Mia
RIP Mobius - in our hearts 2018V24D, '13 Tiffin BR32, Tiffin 34TGA, '11 Aspect 30, 06View23H, '00 HHiker II 5W