2007 Toyota Prius Owners Manual - Page 425

Checking the radiator and condenser If either of the above parts is extremely dirty or you are not sure of their condition, take your vehicle to a Toyota dealer. Checking brake fluid CAUTION To prevent burning yourself, be careful not to touch the radiator or condenser when the engine is hot. 82p002b NOTICE To prevent damage to the radiator and condenser, do not perform the work by yourself. Toyota recommends "Toyota Super Long Life Coolant", which has been tested to ensure that it will not cause corrosion nor result in malfunction of your coolant system with proper usage. "Toyota Super Long Life Coolant" is formulated with long−life hybrid organic acid technology and has been specifically designed to avoid cooling system malfunction on Toyota vehicles. Please contact your Toyota dealer for further details. To check the fluid level, simply look at the see−through reservoir. The level should be between the "MAX" and "MIN" lines on the reservoir. It is normal for the brake fluid level to go down slightly as the brake pads wear or when the fluid level in the accumulator is high. 408