Hyundai Elantra: Charging System / Battery Sensor Repair procedures

Removal
1.
Disconnect the battery negative (-) cable.
2.
Disconnect the battery sensor connector (A).
3.
Remove the battery negative (-) cable after removing the bolts (B).

Installation
1.
Install in the reverse order of removal.

Battery sensor cable installation bolt :
10.8 ~ 13.7 N.m (1.1 ~ 1.4 kgf.m, 8.0 ~10.1 lb-ft)
Battery (-) terminal tightening nut :
3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)

Battery Sensor Description and Operation
Description Vehicles have many control units that use more electricity. These units control their own system based on information from diverse sensors. It is important to have a stable power s ...

Starting System
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Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Climate Control Additional Features
Automatic Ventilation (if equipped) When the ignition switch is in the ON position or when the engine is running and temperature is below 59°F (15°C) with the recirculated air position selected more than five minutes, the air intake position will automatically change to the outside (fresh) ...

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 ...

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