
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.
Seat Warmers
Seat BeltsHyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location
1. DDM (Driver Door Module)2. ADM (Assistant Door Module)3. RRDM / RLDM (Rear Door Module)4. Front window motor5. Rear window motor
...
Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description
System Overview
The System offers the following features:
-
Human / machine interface through a 1-stage button, for terminal switching and engine start.
-
Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition swit ...