What could be a consequence of not maintaining proper coolant levels?

Maintaining proper coolant levels in an engine is crucial for regulating temperature and preventing overheating. Coolant, also known as antifreeze, circulates through the engine, absorbing heat and dissipating it through the radiator. If the coolant levels are low, the engine may not receive adequate cooling, leading to a rise in operating temperature.

When the engine overheats, it can cause a series of severe problems, such as warped cylinder heads, blown head gaskets, or even complete engine failure. These conditions can result in costly repairs and may leave the vehicle inoperable. Therefore, proper coolant levels are vital for maintaining engine health and performance, preventing overheating, and ensuring the longevity of the engine components.

In contrast, options regarding improvements in fuel economy, tire durability, and brake pad wear do not connect directly to coolant levels. Low coolant levels do not enhance fuel efficiency; they actually can lead to engine inefficiencies. Similarly, tire durability and brake pad wear are influenced by other factors, such as driving habits, tire pressure, and brake usage, rather than coolant levels. Thus, neglecting to maintain proper coolant levels specifically relates to increasing the risk of engine overheating.