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: Troubleshooting
Basic Troubleshooting
Basic Troubleshooting Guide
Customer Problem Analysis Sheet
Basic Inspection Procedure
Measuring Condition of Electronic Parts' Resistance
The measured resistance at high temperature after vehicle
running may be high or low. So all resistance must be measured at
ambi ...
Hyundai Sonata LF 2014-2019 Owners Manual: Selecting a Child Restraint System (CRS)
When selecting a CRS for your child, always:
Make sure the CRS has a label certifying that it meets applicable Federal
Motor Vehicle Safety Standards (FMVSS 213).
Select a child restraint based on your child's height and weight. The required
label or the instructions for use typically provide ...
