Abstract: A vehicle fuel mileage determining system includes a fuel consumption measuring device, a distance measuring device, a display configured to display fuel mileage data and a controller. The controller is coupled to the fuel consumption measuring device, the distance measuring device and the display. The controller is configured to calculate fuel mileage data using baseline data, data from the fuel consumption measuring device and data from the distance measuring device. The controller further shows the fuel mileage data calculated on the display. The controller is further configured to determine the baseline data as follows: in response to a reset condition being detected, the controller defines the baseline data as being equal to initial factory settings; and in response to the reset condition not being detected, the controller defines the baseline data as being equal to previously determined fuel and distance data.

Abstract: A vehicle fuel mileage determining system includes a fuel consumption measuring device, a distance measuring device, a display configured to display fuel mileage data and a controller. The controller is coupled to the fuel consumption measuring device, the distance measuring device and the display. The controller is configured to calculate fuel mileage data using baseline data, data from the fuel consumption measuring device and data from the distance measuring device. The controller further shows the fuel mileage data calculated on the display. The controller is further configured to determine the baseline data as follows: in response to a reset condition being detected, the controller defines the baseline data as being equal to initial factory settings; and in response to the reset condition not being detected, the controller defines the baseline data as being equal to previously determined fuel and distance data.

Abstract: A vehicle keyfob locator system includes a keyfob locator control panel, a display, a plurality of keyfob locator antennas and a controller. The keyfob locator control panel and the display are located within a passenger compartment of a vehicle. The plurality of keyfob locator antennas are installed at predetermined positions of a vehicle body structure of the vehicle. The controller is operably connected to the keyfob locator control panel and each of the keyfob locator antennas. The controller is configured to operate the keyfob locator antennas and determine a location of a keyfob within the vehicle body structure in response to activation of the keyfob locator control panel and further configured to display an approximate location of the keyfob on the display in response to determining the location of the keyfob within the vehicle body structure.

Abstract: A vehicle keyfob locator system includes a keyfob locator control panel, a display, a plurality of keyfob locator antennas and a controller. The keyfob locator control panel and the display are located within a passenger compartment of a vehicle. The plurality of keyfob locator antennas are installed at predetermined positions of a vehicle body structure of the vehicle. The controller is operably connected to the keyfob locator control panel and each of the keyfob locator antennas. The controller is configured to operate the keyfob locator antennas and determine a location of a keyfob within the vehicle body structure in response to activation of the keyfob locator control panel and further configured to display an approximate location of the keyfob on the display in response to determining the location of the keyfob within the vehicle body structure.

Abstract: Disclosed herein are methods of preventing freezing of relays in electrical components operated in specific atmospheric conditions. One such method described herein comprises monitoring a temperature of a relay with a thermocouple located on a contact of the relay while monitoring ambient temperature within the relay. Operation of the electrical component is simulated in a sub-zero temperature and high humidity condition. A freeze potential of the relay is determined by plotting a temperature cross-over curve, wherein both the ambient temperature and the contact temperature are plotted during the operation and cool down period. If the high freeze potential is determined, one or both of the relay and the electrical component are modified with a modification configured to decrease the high freeze potential.

Abstract: Disclosed herein are embodiments of testing apparatus used to prevent freezing of relays in electrical components, particularly electrical components used in vehicles. One embodiment of a testing apparatus comprises a chamber with temperature control configured to control a temperature of an internal atmosphere of the chamber and a humidifier in fluid communication with the internal atmosphere of the chamber configured to supply humidified air to the internal atmosphere. A sealable opening in a wall of the chamber is configured to pass a wire harness from external the chamber to inside the chamber while maintaining a sealed environment within the chamber. The temperature control is configured to maintain a sub-zero temperature in the internal atmosphere while the humidifier maintains a saturated internal atmosphere.

Abstract: Disclosed herein are methods of preventing freezing of relays in electrical components operated in specific atmospheric conditions. One such method described herein comprises monitoring a temperature of a relay with a thermocouple located on a contact of the relay while monitoring ambient temperature within the relay. Operation of the electrical component is simulated in a sub-zero temperature and high humidity condition. A freeze potential of the relay is determined by plotting a temperature cross-over curve, wherein both the ambient temperature and the contact temperature are plotted during the operation and cool down period. If the high freeze potential is determined, one or both of the relay and the electrical component are modified with a modification configured to decrease the high freeze potential.