If the Engine Doesn't Turn Over or Turns Over Slowly
Do not push or pull the vehicle to start it. This could cause damage to your vehicle. See instructions for "Jump Starting" provided in this chapter.
CAUTION
Push or pull starting the vehicle may cause the catalytic converter to overload which can lead to damage to the emission control system.
If the Engine Turns Over Normally but Doesn't Start
Check the fuel level and add fuel if necessary.
If the engine still does not start, have your vehicle checked by an authorized HYUNDAI dealer.
Hyundai Elantra AD (2016-2020) Owners Manual: Changing tires
WARNING
A vehicle can slip or roll off of a jack causing serious injury or death to
you or those nearby. Take the following safety precautions:
Never place any portion of your body under a vehicle that is supported
by a jack.
NEVER attempt to change a tire in the lane of traffic. ALWAYS ...
Hyundai Elantra AD (2016-2020) Service Manual: Power Door Lock Module Components and Components Location
Conponents
1. Door lock/unlock knob cable2. Door inside handle cable3. Door Latch
...