Method of unlocking and enabling engine start of motor vehicle

The invention relates to a method (8) for unlocking (B) and enabling (F) an engine of a motor vehicle (1) by means of a vehicle key (5). The motor vehicle (1) comprises: at least one external node (6) for wireless connection with the vehicle key (5) outside the interior of the motor vehicle (1); at least one internal node (7) for wireless connection with the vehicle key (5) within the interior of the motor vehicle (1); and a control system (2). The method (8) comprises the following steps in the following order:-establishing (A) a wireless connection between the vehicle key (5) and the external node (6); -unlocking (B) the motor vehicle (1); -forcibly terminating (D) the existing wireless connection between the vehicle key (5) and the external node (6); -forcibly establishing (E) a new wireless connection between the vehicle key (5) and the internal node (7). The invention also relates to the motor vehicle (1) having the control system (2) for carrying out the above method (8). 本发明涉及一种借助车辆钥匙(5)解锁(B)和使能(F)机动车辆