SpecificationsHyundai Elantra AD (2016-2020) Owners Manual: Checking the tire inflation pressure
1. After driving approximately 7~10 km (4~6 miles or about 10 min), stop at a
safety location.
2. Connect the filling hose (3) directly into the compressor
3. Connect the other end of the filling hose (3) directly into the valve.
4. Plug the compressor power cord into the vehicle power outl ...
Hyundai Elantra AD (2016-2020) Service Manual: Heated Oxygen Sensor (HO2S) Description and Operation
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina
and is installed both upstream and downstream of the Catalytic
Converter. It varies in accordance with the air/fuel ratio.
The sensor must be hot in order to operate normally. To keep
it hot, the sensor has a heater ...