US Patent 8378803 Safety system for all-terrain vehicles

A vehicle safety system comprising a microprocessor; a first sensor operatively connected to the microprocessor, the first sensor functions to detect a degree of deviation of yaw or pitch or roll of the vehicle relative to a control value of 0; wherein the microprocessor is configured to receive a first signal from the first sensor, the first signal being the degree of deviation; wherein when the first signal is between 31 and 45 degrees the microprocessor is configured to generate a first output command to a speaker to play a first alarm sound; wherein when the first signal is 46 degrees or more the microprocessor is configured to generate a second output command to the speaker to play a second alarm sound.