See also:

Using the automatic air conditioning system
Vehicles without a rear automatic air conditioning system Press the “AUTO” button. The air conditioning system begins to operate. Air outlets and fan speed are automatically adjusted accordin ...

What is not covered
These warranty obligations do not apply to failures or noncompliance caused by: • The use of replacement parts not certified in accordance with aftermarket parts certification regulations. � ...

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 ...