The instrument panel vent air flow can be directed up/down or left/right using the vent adjustment lever.
The air flow can also be closed using the vent adjustment lever. To close the instrument panel vents, slide the vent adjustment lever to the LEFT until it clicks.
Hyundai Elantra AD (2016-2020) Service Manual: Electric Thermostat (ECT) Repair procedures
Removal and Installation
•
Disassembly of the thermostat would have an adverse effect,
causing a lowering of cooling efficiency. Do not remove the thermostat,
even if the engine tends to overheat.
Thermostat
1.
Drain engine coolant so its level is below th ...
Hyundai Elantra AD (2016-2020) Service Manual: Manifold Absolute Pressure Sensor (MAPS) Specifications
Specification
Pressure [kPa (kgf/cm?, psi)]Output Voltage (V)20.0 (0.20, 2.9)0.7946.7 (0.47, 6.77)1.84101.3 (1.03, 14.7)4.0
...