| Description and Operation |
| Overview |

| Operation Principle |

| Electric Thermostat Structure |

Water pump Troubleshooting
Electric Thermostat (ECT) Schematic DiagramsHyundai Elantra AD (2016-2020) Service Manual: Knock Sensor (KS) Description and Operation
Description
Knocking is a phenomenon characterized by undesirable
vibration and noise and can cause engine damage. Knock Sensor (KS) is
installed on the cylinder block and senses engine knocking.
When knocking occurs, the vibration from the cylinder block
is applied as pressure to the piez ...
Hyundai Elantra AD (2016-2020) Owners Manual: Low Fuel Level Warning Light, Low Tire Pressure Warning Light
Low Fuel Level Warning Light
This warning light illuminates:
• When the fuel tank is nearly empty. Add fuel as soon as possible.
NOTICE
- Low Fuel Level
Driving with the Low Fuel Level warning light on or with the fuel level below
"E" can cause the engine to misfire and damage t ...