Remote starting and stopping engine

A vehicle apparatus comprising:

• a controller configured to actuate an engine control unit of a vehicle upon receipt of an authenticated signal to provide power to auxiliary equipment;
• a first key reader accessible in a cabin of the vehicle apparatus and configured to obtain an authentication signal from a user's key;
• and
• a second key reader associated with the auxiliary equipment of the vehicle apparatus, configured to obtain the authentication signal from the user's key, and remote from a driving control of the vehicle;
• wherein the controller is configured to receive the authentication signal and to authenticate the signal, and wherein the vehicle apparatus is operable in a first mode in which the controller is configured to receive the authentication signal only from the first key reader and in a second mode in which the controller is configured to receive the authentication signal only from the second key reader.