See also:

If your vehicle overheats
If the engine overheats: Stop the vehicle in a safe place and turn off the automatic air conditioning system. Check to see if steam is coming out from under the hood. If you see steam: Stop ...

When receiving a phone call
 - Answering the phone Press the off-hook switch.  - Refusing the call Press the on-hook switch. ...

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 ...