July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Parking Brake Warning

Fig 1: Parking Brake Warning - Communication Chart

G07256604

Courtesy of HYUNDAI MOTOR CO.

Parking Brake Warning Control Function In/Out List

FUNCTION REFERENCE

Function	Characteristics	Name
Function	Characteristics	Hardware Label	Spec. Designation
Input	Logic	C_ParkingBrakeSW	Parking Brake Switch
	Logic	L_IGN1	Ignition 1 Input
	CAN Communication	C_VehicleSpeed	Vehicle Speed from CLU
Output	CAN Communication	C_IntBuzzer	Internal Warning Buzzer
			0: OFF /
			1: Seat Belt Warning /
			2: Key Operated Warning/
			3: Parking Brake Warning /
			4: Reserved
			5: Key Learning Sound(No SMK Option)
			6: default

Behavior Characteristics
If driver drives the vehicle with non-parking brake or not completely released and vehicle speed exceeds the specific value of 5km/h, a sound warning reminds the driver that parking brake has to be released.

Fig 2: Behavior Characteristics
Courtesy of HYUNDAI MOTOR CO.

Parameter Values

Parking Brake Warning Buzzer Sound Characteristics

MAGNETIC BUZZER SPECIFICATION

Type	Magnetic Buzzer
Parking Brake Warning Buzzer Sound frequency	800 Hz
Parking Brake Warning Buzzer Sound Signal Duty Ratio	50% Duty
Parking Brake Warning Buzzer Sound Period	0.6 + 0.06 sec
Parking Brake Warning Buzzer Sound duration	Infinite