Hyundai Sonata: Smart Key / Mechanical key
If the Smart Key does not operate normally, you can lock or unlock the door by using the mechanical key.
Press and hold the release button (1) and remove the mechanical key (2). Insert the mechanical key into the key hole on the door.
To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard.
Start-up
You can start the engine without inserting the key.
NOTICE
To prevent damaging the smart key:
Keep the smart key away from water or any liquid and fire. If the inside
of the smart key gets damp (d ...
Loss of a smart key
A maximum of two Smart Keys can be registered to a single vehicle. If you happen
to lose your smart key, you should immediately take the vehicle and remaining keys
to your authorized HYUNDAI dealer ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Photo Sensor Description and Operation
Description
The photo sensor is located at the center of the defrost nozzles.
The photo sensor contains a photovoltaic (sensitive to
sunlight) diode. The solar radiation received by its light receiving
portion, generates an electromotive force in proportion to the amount of
radiation rece ...
Hyundai Sonata LF 2014-2019 Owners Manual: TPMS (Tire Pressure Monitoring System) Malfunction Indicator
The TPMS Malfunction Indicator will illuminate after it blinks for approximately
one minute when there is a problem with the Tire Pressure Monitoring System.
Have the system checked by an authorized HYUNDAI dealer as soon as possible.
NOTICE
If there is a malfunction with the TPMS, the Low Tire Pr ...
