Patent ID: 11945461
Assignee: HYUNDAI MOBIS CO., LTD.
Field: Measurement (Instruments)
Classification: CPC B  A  G | IPC B  G

Claim 0:
1. A drunk driving prevention system comprising:
a sensor configured to, during breath-checking of a driver of a vehicle, measure alcohol content in the driver's exhaled breath;
a processor; and
a non-transitory computer-readable medium storing executable instructions which, when executed by the processor, cause the processor to control the system to perform:
receiving an engine start input from the driver;
determining whether the received engine start input is an electronic device-on input for activating an electronic device of the vehicle;
in response to determining that received engine start input is the electronic device-on input, causing the alcohol test guide information not to be displayed on the display unit;
determining whether the received engine start input is an engine start-on input for driving the vehicle; and
in response to determining that the received engine start input is the engine start-on input, performing:
causing alcohol test guide information to be displayed on a display unit of the vehicle;
determining, based on the measured alcohol content, whether the driver is intoxicated;
determining whether the breath-checking is completed; and
blocking starting of an engine of the vehicle in response to determining that the driver is intoxicated and the breath-checking is completed.