| Troubleshooting |

Battery Repair procedures
Battery Sensor Description and OperationHyundai Elantra AD (2016-2020) Service Manual: Fuel Tank Air Filter Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Remove the canister assembly.
(Refer to Emission Control System - "Canister")
3.
Remove the installation bolt (A), and then remove the air filter (B).
4.
Release the lever (A), and then separa ...
Hyundai Elantra AD (2016-2020) Service Manual: Occupant Classification System (OCS) Description and Operation
Description
In order to make normal activation of airbag system, SRSCM
detects DTC(s) for the Occupant Classification System (OCS). If the seat
is occupied, OCS detects passenger presences status and send signal to
SRSCM via CAN.
SRSCM recognizes the signal as 2(two) different
classifica ...