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: Specifications
Specifications
Fuel Delivery System
ItemsSpecificationFuel TankCapacity50 lit. (13.2 U.S.gal., 52.8 U.S.qt., 44.0 Imp.qt.)Fuel FilterTypePaper typeFuel Pressure RegulatorRegulated Fuel Pressure355 ~ 365 kPa (3.4 ~ 3.7 kgf/cm?, 48.6 ~ 52.9 psi)Fuel PumpTypeElectrical, in-tank typeDriven byEle ...
Hyundai Elantra AD (2016-2020) Owners Manual: Scheduled Maintenance Services
Follow Normal Maintenance Schedule if the vehicle is usually operated where none
of the following conditions apply. If any of the following conditions apply, you
must follow the Maintenance Under Severe Usage Conditions.
Repeated short distance driving.
Driving in dusty conditions or sandy ...