Hyundai Elantra: Smart Cruise Control System / Smart Cruise Control Unit Description and Operation
The smart cruise control unit is installed on the front 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
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 ...
Specification
ItemSpecificationPower supply(V)12Operation voltage (V)9 ~ 16
...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Rheostat Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the rheostat switch connector (A).
4.
Check for intensity of new rheostat switch. If the light
intensity of the lamps changes sm ...
Hyundai Elantra AD (2016-2020) Owners Manual: With Spare Tire
WARNING
Changing a tire can be dangerous. Follow the instructions in this section
when changing a tire to reduce the risk of serious injury or death.
CAUTION
Be careful as you use the jack handle to stay clear of the flat end. The flat
end has sharp edges that could cause cuts.
Jack and tool ...