Want to both

1. make it as difficult as possible for the car to be stolen, driven by
someone not authorized by the owner to drive the car

2. make it as foolproof as possible for the owner and someone authorized by
the owner to use the key to enter and drive the car without having to call
Toyota service

Provide EXCEPTIONS to each solution that have to be dealt with or not

To lengthen the life of the key battery:

	Solar panel on the smart key
		What to do about they key's usually being kept in the driver's pocket or purse?

	Shake the smart key

As a back-up in place of an alive key in the car:

	Recognition of the face of the driver or registered friend

	Recognition of a finger print of the driver or registered friend

	Recognition of the voice of the driver or registered friend

	Recognition of a password entered on a virtual keyboard on Audio System Screen

	Recognition of a pattern swept by finger on a virtual pad on Audio System Screen

	An App that makes a cell phone a replacement key