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 Owners Manual: Bulb Wattage & Tires and Wheels
Bulb Wattage
Tires and Wheels
If your vehicle is not equipped with a compact spare tire, your vehicle will
be equipped with a Tire Mobility Kit.
CAUTION
When replacing tires, use the same size originally supplied with the vehicle.
Using tires of a different size can damage the related parts or ...
Hyundai Sonata LF 2014-2019 Service Manual: Cruise Control Switch Repair procedures
Inspection
[Measuring Resistance]
1.
Disconnect the cruise control switch connector from the control switch.
2.
Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed).
Function switchTerminalResistanceSET -3 - 5550?±5%RES +3 - ...
