To set Vehicle-to-Vehicle Distance

When the Smart Cruise Control system is ON, you can set and maintain the distance from the vehicle ahead of you without pressing the accelerator or brake pedal.
Each time the button is pressed, the vehicle to vehicle distance changes as follows:

For example, if you drive at 56 mph (90 km/h), the distance is maintained as follows:
Distance 4 - approximately 172 feet
Distance 3 - approximately 130 feet
Distance 2 - approximately 106 feet
Distance 1 - approximately 82 feet
Information
The distance is set to the last set distance when the system is used for the first time after starting the engine.
When the lane ahead is clear:

The vehicle speed will maintain the set speed.
When there is a vehicle ahead of you in your lane:

WARNING

When using the Smart Cruise Control system:
CAUTION

If the vehicle ahead (vehicle speed: less than 20 mph (30 km/h)) moves to the next lane, the warning chime will sound and a message "Watch for surrounding vehicles" will appear. Adjust your vehicle speed for vehicles or objects that can suddenly appear in front of you by depressing the brake pedal.
Always pay attention to the road condition ahead.
Smart Cruise Control Speed
Sensor to Detect Distance to the Vehicle AheadHyundai Elantra AD (2016-2020) Service Manual: Windshield Wiper-Washer Switch Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
If it is necessary to remove multifunction switch assembly, remove the steering wheel.
(Steering System - "Steering Wheel")
3.
Remove the steering column upper shrouds (A).
(Refer to Body - "Steering Column Shroud Panel")
4 ...
Hyundai Elantra AD (2016-2020) Service Manual: Transaxle Control Module (TCM) Repair procedures
Inspection
Transaxle Control Module(TCM) Problem Inspection Procedure
1.
TEST TCM GROUND CIRCUIT: Measure resistance between TCM and
chassis ground using the backside of TCM harness connector as TCM side
check point. If the problem is found, repair it.
Specification: Below 1?
2.
TE ...