WARNING
Changing a tire can be dangerous. Follow the instructions in this section when changing a tire to reduce the risk of serious injury or death.
CAUTION
Be careful as you use the jack handle to stay clear of the flat end. The flat end has sharp edges that could cause cuts.
Jack and tools

➀ Jack handle
â‘¡ Jack
â‘¢ Wheel lug nut wrench
The jack, jack handle, and wheel lug nut wrench are stored in the luggage compartment under the luggage box cover.
The jack is provided for emergency tire changing only.

Turn the winged hold down bolt counterclockwise to remove the spare tire.
Store the spare tire in the same compartment by turning the winged hold down bolt clockwise.
To prevent the spare tire and tools from "rattling", store them in their proper location.

If it is hard to loosen the tire holddown wing bolt by hand, you can loosen it easily using the jack handle.
1. Put the jack handle (1) inside of the tire hold-down wing bolt.
2. Turn the tire hold-down wing bolt counterclockwise with the jack handle.
Changing tiresHyundai 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: Repair procedures
On-vehicle Inspection
Inspect ignition coil assembly and Perform spark test
1.
Check for DTCs.
•
If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC. (Refer to DTC guide)
2.
Check if sparks occur.
(1)
Remove the engi ...