set_arrival_msg()
            set_departure_msg()

You have this really cool camaro that you 
would like to have an equally cool message
for when the camaro enters the room. To 
change these messages put the following 
functions in your objects create():

    set_arrival_msg("$N $venters in a cloud of smoking tires." );

This message will now be shown whenever
the camaro enters the room.