Final answer:
The button in CSOKI for a quick check to see if a customer has Tech Protect is the Customer Check Button.
Step-by-step explanation:
The button in CSOKI that you will use for a quick check to see if a customer has Tech Protect is the Customer Check Button. This button allows you to quickly check if a customer has Tech Protect without having to navigate through other menus or options. It provides a convenient way to access customer information and determine their Tech Protect status.