Engine coolant is essential for preventing overheating, yet many vehicle owners remain unsure how often they should inspect it as part of routine maintenance.

The average car has around 30,000 parts and many fluids are used to keep them running properly. The most important fluids are motor oil, transmission fluid, brake fluid, washer fluid and coolant.

June has brought hot conditions, which can strain your car and increase the risk of breakdowns. Maintenance and preventive steps are key this summer.

Add Yahoo as a preferred source to see more of our stories on Google. Cars with internal combustion engines rely on complex cooling systems to keep the engine's temperature within the appropriate ...