Ours came with one normal key and one display key, although the display key might be an option.
That being said, we never use the display key. It's big and pretty useless, it also needs to be charged every few days. (the wireless charger in the car will charge it)
It shows you your fuel level, lock and window status. But I don't think it does much more than that. It's been a while since I turned it on, it might let you turn on the AC fan too.
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