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: Fuel Sender Repair procedures
Removal 1. Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump") 2. Disconnect the fuel sender connector (A). 3. Remove the fuel sender (A) after releasing the fix hook. Installation 1. Install in the reverse order of removal. ...

Hyundai Sonata LF 2014-2019 Service Manual: Delta Garnish Repair procedures
Replacement     • Put on gloves to prevent hand injuries.     • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. • Take care not to scratch the body surface. ...

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