Final answer:
If a customer accidentally hits the 'Emergency Shut Off' button outside your kiosk, you should pull the E-Stop button towards your chest to silence the alarm and then inform the manager.
Step-by-step explanation:
If a customer accidentally hits the 'Emergency Shut Off' button outside your kiosk, the correct course of action would be to pull the E-Stop button towards your chest to silence the alarm. This will stop the audible alarm and prevent any further disturbance. Then, you should call the manager in charge to inform them of the situation and seek guidance on what to do next. They may recommend calling Petroleum or taking other necessary steps to address the situation.