R-HFA GEN1 Kick Sensor
Product Information
The R-HFA GEN1 is a kick-sensor installed behind the bumper of a
car. It is designed for hands-free access to the trunk, allowing
users to open or close the trunk without any physical contact. The
device features automatic tailgate operation, which is activated by
a forward-directed foot motion in the central rear area. The radar
sensor detects the foot movement, enabling the trunk lid to open or
close automatically.
Device Characteristics
- Voltage: Min 9.0V, Mean 12.0V, Max 16.0V
- Temperature: Min and Max values not specified
- Communication Bus: Not specified
- Radar Min Frequency: Not specified
- Radar Max Frequency: Not specified
Device Photographs
Image 1: Top side of R-HFA GEN1 with cover
Image 2: Side A of the device
Image 3: Side B of the device
Image 4: Side C of the device
Image 5: Side D of the device
Product Usage Instructions
To activate the automatic tailgate operation using the R-HFA
GEN1 kick-sensor, follow these steps:
- Stand in the middle behind the vehicle at approximately one
arm’s length away from the rear of the vehicle. - Wave your foot under the vehicle in the direction of travel and
immediately pull it back.
Ensure that you maintain a separation distance of 20 cm from the
kick-sensor during the foot movement.
Refer to Figure 1 in the user manual for the location of the
kick-sensor and foot performance.
User Manual of R-HFA GEN1
1. Concept R-HFA GEN1 is a kick-sensor installed behind the bumper of a car, used for hands-free access to the trunk. With automatic tailgate operation, trunk can be opened or closed with no-touch activation. Radar sensor detects a forward-directed foot motion in the central rear area and the trunk lid can be opened or closed automatically.
1.1. Installation and maintenance The product is factory fitted in vehicles. It is not possible to buy this product separately. The status of the product can be read via diagnostic connections using special workshop tools. In addition, the Central Electronic Module in the vehicle monitors the communication (LIN bus) from the product and in case of missing or invalid communication, it is alerted, and will display a warning to the driver. Maintenance and replacement of the product can only be performed by certified workshops.
1.2. Performing the foot movement 1. Stand in the middle behind the vehicle at approx. one arm’s length away from the rear of the vehicle. 2. Wave a foot under the vehicle in the direction of travel and immediately pull it back. Figure 1 shows location of the kick-sensor and foot performance.
Figure 1 Performing the foot movement Separation distance from the device is 20 cm.
Issuer: EU/EL/Vasic, Marina
Page:1/3
Status: 23. Mar. 2023
Source: User Manual 20230321 FCC and ISED
Index: 200
Weitergabe sowie Vervielfältigung dieser vertraulichen Unterlage(n), Verwertung und The copying, use, distribution or disclosure of the confidential and proprietary
Mitteilung ihres Inhaltes ist nicht ohne unsere vorherige schriftliche Genehmigung
information contained in this document(s) is strictly prohibited without prior written
gestattet. Zuwiderhandlungen verpflichten zu Schadensersatz. Alle Rechte für den Fall consent. Any breach shall subject the infringing party to remedies. The owner reserves
der Patenterteilung oder Gebrauchsmuster-Eintragung vorbehalten.
all rights in the event of the grant of a patent or the registration of a utility model or
design.
2. Device characteristics Voltage
Min Mean Max Temperature Min Max Communication Bus Radar Min Frequency Max Frequency
3. Device photographs Top side of the device is given on Image 1.
9,0V 12,0V 16,0V
-40°C +105°C LIN (2.x) 77,0078 GHz 78,995 GHz
Image 1 Top side of R-HFA GEN1 with cover
Bottom side of the device is given on Images 2-5.
Issuer: EU/EL/Vasic, Marina
Page:2/3
Status: 23. Mar. 2023
Source: User Manual 20230321 FCC and ISED
Index: 200
Weitergabe sowie Vervielfältigung dieser vertraulichen Unterlage(n), Verwertung und The copying, use, distribution or disclosure of the confidential and proprietary
Mitteilung ihres Inhaltes ist nicht ohne unsere vorherige schriftliche Genehmigung
information contained in this document(s) is strictly prohibited without prior written
gestattet. Zuwiderhandlungen verpflichten zu Schadensersatz. Alle Rechte für den Fall consent. Any breach shall subject the infringing party to remedies. The owner reserves
der Patenterteilung oder Gebrauchsmuster-Eintragung vorbehalten.
all rights in the event of the grant of a patent or the registration of a utility model or
design.
Image 2 Side A
Image 3 Side B
Image 4 Side C
Regards, Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Bamberg
Image 5 Side D
Issuer: EU/EL/Vasic, Marina
Page:3/3
Status: 23. Mar. 2023
Source: User Manual 20230321 FCC and ISED
Index: 200
Weitergabe sowie Vervielfältigung dieser vertraulichen Unterlage(n), Verwertung und The copying, use, distribution or disclosure of the confidential and proprietary
Mitteilung ihres Inhaltes ist nicht ohne unsere vorherige schriftliche Genehmigung
information contained in this document(s) is strictly prohibited without prior written
gestattet. Zuwiderhandlungen verpflichten zu Schadensersatz. Alle Rechte für den Fall consent. Any breach shall subject the infringing party to remedies. The owner reserves
der Patenterteilung oder Gebrauchsmuster-Eintragung vorbehalten.
all rights in the event of the grant of a patent or the registration of a utility model or
design.


















