How can you check for coolant leaks in a vehicle?

To effectively check for coolant leaks in a vehicle, inspecting hoses, connections, and the radiator is crucial because these are the primary areas where leaks commonly occur. The hoses transport coolant between various components of the cooling system, and over time, they can wear out or become damaged, leading to leaks. Similarly, the connections where hoses join components, as well as the radiator itself, are under pressure and are often points of failure due to corrosion, cracks, or loose fittings.

By visually examining these areas for signs of coolant leakage—such as moisture, staining, or pooling—you can identify potential problems early. This inspection may also involve checking for any signs of coolant residue or a sweet smell, which are telltale signs of leaks. This proactive approach is essential for maintaining the vehicle's cooling system and preventing overheating.

The other options provided do not directly address the primary indicators of coolant leaks, making them less relevant in this context. Listening for unusual noises may help identify engine problems, while checking tire pressure is important for tire health and reviewing engine oil levels pertains to lubrication, neither of which relate to detecting coolant leaks.