While the engine is running, push either of the switches to warm the rear seat.
During mild weather or under conditions where the operation of the seat warmer is not needed, keep the switches in the OFF position.
Each time you push the switch, the temperature setting of the seat is changed as follows :
The seat warmer defaults to the OFF position whenever the ignition switch is placed in the ON position.
Information
With the seat warmer switch in the ON position, the heating system in the seat turns off or on automatically depending on the seat temperature.
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location
1. Horn switch2. Horn relay (Built - in PCB Block)3. Horn (Low pitch)4. Horn (High pitch)5. Clock spring
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Hyundai Elantra AD (2016-2020) Service Manual: BJ Boot Repair procedures
Removal
1.
Remove the front driveshaft.
(Refer to Driveshaft Assembly - "Front Driveshaft")
2.
Remove the TJ joint assembly.
(Refer to Driveshaft Assembly - "TJ Joint")
3.
Remove the Dynamic damper.
(Refer to Driveshaft Assembly - "Dynamic Damper")
4.
Using a plier or flat-tip ...