I ride an enduro. Washing one is like burning books. Going to the car wash might scare my bike <img src="images/graemlins/wink.gif" alt="" />.
People could get trapped without actually being stuck. They suffer a mental blockade when something unusual happens. They could just switch to drive and leave but the thought doesnīt even cross their mind. Thatīs like people being trapped in escalators during a power outage (I know itīs a joke but it isnīt that far fetched).
BTW: that effect sometimes leads to hilarious situations in real life too.
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If it isnīt broken, it doesnīt have enough features yet.