US Patent 8077011 Apparatus for automatically initiating sequence of vehicle functions

An apparatus for automatically initiating a plurality of vehicle functions is disclosed. The apparatus includes a mobile unit and a detection device operable to automatically detect whether the mobile unit is within a first zone. The detection device is further operable to automatically detect whether the mobile unit is within a second zone. The first zone and the second zone are outside the vehicle, and the first zone encompasses the second zone. The apparatus further includes a controller that is operable to initiate a first vehicle function when the detection device detects that the mobile unit is within the first zone. The controller is also operable to initiate a second vehicle function when the detection device detects that the mobile unit is within the second zone.