Patent ID: 8013747

Claim:
A driving safety warning method comprising: switching on a driving safety warning device installed in a car to enable a driving safety warning program for the device, the driving safety warning device performing the following steps: determining whether a driving speed value of the car exceeds a preset driving speed value and, if the preset driving speed value is exceeded, actuating a driving safety warning function of the device; determining whether a deviation angular speed value of the car exceeds a preset maximum safety deviation angular speed value and, if the preset maximum safety deviation angular speed value is exceeded, emitting a warning sound; determining whether a deviation angular speed value of the car exceeds a preset safety deviation angular speed value for a wandering car and, if the preset safety deviation angular speed value for a wandering car is exceeded, further determining whether a timer of the device is enabled and a reverse sway occurs while the timer is counting, and, if a timer of the device is enabled and a reverse sway occurs while the timer is counting, emitting a warning sound.