See also:

Radiator and condenser
Check the radiator and condenser and clear any foreign objects. If either of the above parts is extremely dirty or you are not sure of their condition, have your vehicle checked by your Lexus deale ...

Replacement parts
To ensure optimum performance and maintain the quality built into your vehicle’s emission control systems, Lexus recommends the use of Genuine Lexus Parts when servicing or repairing the system ...

What is covered and how long
Basic Warranty This warranty covers repairs and adjustments needed to correct defects in materials or workmanship of any part supplied by Lexus, subject to the exceptions indicated under “What ...