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.
For additional information or assistance see your authorized HYUNDAI dealer.
Hyundai Elantra AD (2016-2020) Service Manual: Input Speed Sensor Description and Operation
Description
Input speed sensor is a vital unit that measures the rate of
rotation of the input shaft inside the transaxle and delivers the
readings to the TCM. The sensor provides critical input data that's used
in feedback control, damper clutch control, gear setting control, line
pressu ...
Hyundai Elantra AD (2016-2020) Service Manual: Seat Heater Switch Repair procedures
Removal
[Front Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the floor console assembly.
(Refer to Body - "Floor Console Assembly")
[Rear Seat]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear door window switch.
(Refer to Power Windows - "Po ...