why would you not just use a generic pressure mat for each vehicle under say the left rear tire. mats run about 250 each... most garages like that will have some fancy flooring that the mat can go under so you never see it.
car rolls away the automation does its things with lights door etc. car comes back, automation does its programmed thing....
Ed will be known as the Tiger Woods of the integration business, followed closely with the renaming of his company to "Hotties A/V". The tag line will be "We like big racks and tight holes"...
