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) Owners Manual: LCD Display (For Supervision Cluster)
LCD Display Control
The LCD display modes can be changed by using the control buttons on the steering
wheel.
(1) : MODE button for changing modes
(2) ▲, ▼ : MOVE switch for changing items
(3) OK : SELECT/RESET button for setting or resetting the selected item ...
Hyundai Elantra AD (2016-2020) Owners Manual: Recommended Cold Tire Inflation Pressures
All tire pressures (including the spare) should be checked when the tires are
cold. "Cold tires" means the vehicle has not been driven for at least three hours
or driven less than one mile (1.6 km).
Warm tires normally exceed recommended cold tire pressures by 4 to 6 psi (28
to 41 k ...