See also:

Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct procedure given in these sections. CAUTION The engine compartment contains many mechanisms and fluids that may move sud- ...

Adjusting the settings manually
 - Basic setting Vehicles without a rear automatic air conditioning system To turn on the air conditioning system and adjust the fan speed, press “ ” on to increase the fan speed and ...

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 ...