| Troubleshooting |

Battery Repair procedures
Battery Sensor Description and OperationHyundai Elantra AD (2016-2020) Service Manual: Side Airbag (SAB) Module Components and Components Location
Components
1. Side Air Bag (SAB)
...
Hyundai Elantra AD (2016-2020) Owners Manual: System Maintenance
Climate control air filter
This filter is installed behind the glove box. It filters the dust or other pollutants
that enter the vehicle through the heating and air conditioning system.
Have the climate control air filter replaced by an authorized HYUNDAI dealer
according to the maintenance ...