Hyundai Elantra (CN7): Driver Parking Assistance System / Desctiprion and operation

Description
ADAS_PRK is a unit that controls the functions required for ADAS parking. If the ADAS_PRK is applied, the parking distance warning function is also controlled by the ADAS_PRK.
System Function
Parking Collision-Avoidance Assist (PCA)
PCA is a parking safety system that assists in collision warning and emergency braking in the event of a collision with rear pedestrians and obstacles during reversing at low speed (collision warning is displayed on the instrument cluster and monitor and audible warning sounds)

System operating specifications
Parking Collision-Avoidance Assist

When reversing at a speed of below 10Kph
1.
When a collision risk is detected, visual/audible warnings are performed.
2.
When the collision risk increases, braking assistance is performed. (When braking mode is activated)
※ The braking deceleration value varies depending on the vehicle model and speed
3.
After braking assistance is completed: It releases the braking control after maintaining the braking power for a certain period of time.
Operating condition
1.
User Setting Menu (USM) : Driver assistance - select rear collision warning or braking warning
2.
When the reverse vehicle speed is below 10 Kph
System limitations
Parking Collision-Avoidance Assist (PCA)
–
User Setting Menu (USM) : Driver Assistance - If the rear collision warning or braking warning is not selected.
–
When gear is not positioned in 'R'.
–
When the reverse speed is over 10Kph

    TroubleshootingDiagnosis with Diagnostic tool1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting

    Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed se

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Rear View Monitor (RVM)

    Description and operation DescriptionRear view camera will activate when the backup light is ON with the ignition switch ON and the shift lever in the R position.This system is a supplemental system that shows behind the vehicle through the AV monitor or the ECM (Reverse Display Room Mirror) mirror while backing-up.

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