See also:

Initialization
Items to initialize The following items must be initialized for normal system operation in cases such as after the 12-volt battery is reconnected, or maintenance is performed on the vehicle. ...

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 ...

Using the call history memory
Follow the procedure below to use a number stored in the call history memory: Press the talk switch and say “Redial” (when using a number stored in the outgoing call history memory) or “Call ...