If the remote key does not operate normally, you can lock or unlock the door by using the mechanical key.
Press the release button then the key will unfold automatically.
To fold the key, fold the key manually while pressing the release button.
Hyundai Sonata LF 2014-2019 Service Manual: Purge Control Solenoid Valve (PCSV) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the PCSV connector.
3.
Measure resistance between the PCSV terminals 1 and 2.
4.
Check that the resistance is within the specification.
Specification: Refer to “Specification”
Removal
1.
Turn the ignition switc ...
Hyundai Sonata LF 2014-2019 Service Manual: Fuel Tank Air Filter Repair procedures
Replacement
1.
Turn the ignition switch OFF and disconnect the negative (-) battery cable.
2.
Lift the vehicle.
3.
Remove the rear-left wheel & tire and house cover.
4.
Disconnect the canister close valve connector (A).
5.
Disconnect the vapor hose (B).
6.
Remove instal ...