Hyundai Sonata: Remote Key / Battery replacement
If the remote key is not working properly, try replacing the battery with a new one.
Battery Type: CR2032
To replace the battery:
1. Pry open the rear cover of the remote key.
2. Remove the old battery and insert the new battery. Make sure the battery position is correct.
3. Reinstall the rear cover of the remote key.
If you suspect your remote key might have sustained some damage, or you feel your remote key is not working correctly contact an authorized HYUNDAI dealer.
Information
An inappropriately disposed battery can be harmful to the environment and human health. Dispose the battery according to your local law(s) and regulation.
Remote key precautions
The remote key will not work if any of the following occur:
The key is in the ignition switch.
You exceed the operating distance limit (about 90 feet [30 m]).
The remote key battery is weak.
Othe ...
Smart Key
Your HYUNDAI uses a Smart Key, which you can use to lock or unlock a door (and
trunk) and even start the engine.
1. Door Lock
2. Door Unlock
3. Trunk Open
4. Panic
Locking
To lock :
1. Close all do ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair the ...
Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Shield Inner Cover Repair procedures
Replacement
•
Put on gloves to protect your hands.
•
When prying with a flat-tip screwdriver or use a prying trim
tool, wrap it with protective tape, and apply protective tape around the
related parts, to prevent damage.
•
Us ...
