What if the keys are not used as keys, but rather:
The player needs to get someone in the car park's attention, and they use their car keys to remotely unlock and lock their car, thus making the car go "beep-beep" and so the person turns around...
Spoiler
The player needs to get someone in the car park's attention, and they use their car keys to remotely unlock and lock their car, thus making the car go "beep-beep" and so the person turns around...
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