System and methods for vehicle passive keyless entry triggered by smartphone proximity detection

摘要

The current disclosure relates to unlocking at least one vehicle door or a trunk and operating other welcome features on the vehicle, including but not limited to, opening a tailgate, turning on ambient lights or head lights, and starting a vehicle engine. The current disclosure is directed to a system and method for automatically unlocking at least one door or a trunk on the vehicle using a smartphone and a vehicle key fob. Due to the method provided herein, frequent recharging of the vehicle key fob is not required, nor does the size of the key fob have to be large enough to hold large batteries.