Final answer:
Every time you park and turn off your vehicle's engine, follow a proper shutdown protocol for vehicle safety and maintenance.
Step-by-step explanation:
When you park your vehicle and shut the engine off, it is important to follow a proper shutdown protocol for safety and to prevent wear and tear on the vehicle's systems. While the reference to the dimming of the refrigerator light does not provide direct information about the proper shutdown procedure for a vehicle, it is an example of how electrical systems behave when there is a sudden demand for power, such as when an engine starts. This example can help us understand that a vehicle's electrical system is interconnected and that the proper care of one component, like the engine, can affect the condition and performance of others.