A method is provided for vehicle to vehicle communication among vehicles having
wireless communication links. Upon receiving notification of a sudden change in
vehicle behavior, a vehicle broadcasts a priority message to surrounding vehicles
within a transmission range. If an emergency event has occurred, a repeat cycle
is defined for re-broadcasting the message, and a maximum number of initial repetitions
for the message is specified. The message is transmitted repeatedly by a leader
vehicle, with a pause between each transmission, until the maximum number of repetitions
has been reached.