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: Specifications
Specifications
ItemsSpecificationRated voltageDC 12VOperating voltage9V ~ 16VOperating speed30?/h ~ 250?/hSensible distance70m (Sedan)Curvature radiusStart : More than 125m/30km/hStop : Less than 125mFrequency24 GHzNumbers2EA (Master 1EA, Slave 1EA)
...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location
1. Head lamp leveling actuator (Built-in Head lamp)2. Head lamp leveling unit (Rear right only)
...
