The Toyota Corolla Overflow Bottle is essential to the vehicle’s cooling system. Its primary function is to manage excess coolant that may be expelled from the radiator as the engine heats up. By serving as a temporary reservoir, the overflow bottle…

Every component plays a crucial role in keeping your Toyota Corolla running smoothly – including the often-overlooked overflow bottle. While most drivers are focused on oil changes and tyre rotations, this little reservoir is a guardian of your vehicle’s cooling…