| Troubleshooting |

Battery Repair procedures
Battery Sensor Description and OperationHyundai Elantra AD (2016-2020) Owners Manual: Seat Warmers. Rear seat warmers
Front seat warmers (if equipped)
Seat warmers are provided to warm the seats during cold weather.
WARNING
The seat warmers can cause a SERIOUS BURN, even at low temperatures and especially
if used for long periods of time. Passengers must be able to feel if the seat is
becoming too warm so th ...
Hyundai Elantra AD (2016-2020) Service Manual: CVVT & Camshaft Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance
with the ECM control signal which is calculated by the engine speed and
load.
By controlling CVVT, the valve over-lap or under-lap occurs,
which m ...