See also:

Rejecting or ending a call
– Press the button on the steering wheel. If you are not in the Tel menu, you can still reject or end a call. ...

Important notes on the use of KEYLESSGO
The KEYLESS-GO key can be used like a conventional key. You can combine KEYLESS-GO functions with those of a conventional key, e.g. unlock with KEYLESS-GO and lock with the button. Always ...

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...