Hyundai Sonata LF: Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) Unit-Radar Description and Operation
The smart cruise control unit is installed on the front right
side of the chassis.A radar sensor is embedded in the front section of
the unit. This sensor detects vehicles and objects in front of the
vehicle.The radar sensor can detect up to 64 objects ahead of a vehicle.
The alarm goes off when the vehicle deviates from the horizontal and
vertical alignment reference points during operation. This sensor
communicates with the dashboard, warning buzzer, smart cruise control
switch, Electronic Stability Program (ESP), ECM, and TCM via CAN
communication.The sensor controls vehicle speed through CAN
communication between the Electronic Stability Program (ESP) system and
the ECM and TCM.

Description
The smart cruise control system allows a driver to program
the vehicle to control the speed and following distance detecting the
vehicle ahead without depressing the brake pedal and the accelerator
pedal...
Other information:
Replacement
[Rear seat cushion assembly]
1.
Remove the rear seat cushion assembly (A).
?Rear seat cushion separation method
1.
Remove the rear seat cushion by pulling upward.
2.
Remove the rear seat cushion by pulling upwards while pushing rearward...
Removal
When replacing the ECM, the vehicle equipped with immobilizer must be performed the procedure as below.
[In the case of installing used ECM]
1.
Perform "Neutral mode" procedure with GDS. (Refer to "Immobilizer" in BE group)
2...