Shame on them for not telling you. In the front storage should be your hyd pump. Did they tell you about checking the hyd fluid level? Anyway on the end of the pump is a little sticker you can remove. You put an allen key,not sure of the size, into a drill motor and turn the pump that way. Might be a good idea to keep a battery operated drill with you when traveling. And learn from me - keep it charged so when you need it you don't have to wait on the charging process
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Did they also tell you that you have two gray tank dump valves?