I think a sensor would be better to stop the steps from opening if there is anything close enough for them to hit. There could even be a light warning if the steps are not extended intigrated right into the door. This would take a bit of engineering but all the parts are readily available. I would be very surprised if this hasn't been done. Kinda reminds me of a curb feeler of the 50's.
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2017 Gemini 23TR Ford chassis w/ power stroke 3.2
DW, Daughter and 2 dogs, Sofie (black lab/boxer) and Phoebe (schnoodle)
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