See also:

After Starting
The idle speed is controlled automatically and it will decrease as the engine warms up. ...

Power-Up
After switching the ignition key from OFF to either the ON or ACC position, or after a language change, you must wait at least five seconds prior to using the system. ...

Place/Retrieve A Call From Hold
To put a call on hold, press the button until you hear a single beep. This indicates that the call is on hold. To bring the call back from hold, press and hold the button until you hear a s ...