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: Defogging logic
To reduce the probability of fogging up the inside of the windshield, the air
intake or air conditioning are controlled automatically according to certain conditions
such as or
position. To cancel or return the defogging
logic, do the following.
Manual climate control system
1. Turn the igniti ...
Hyundai Sonata LF 2014-2019 Owners Manual: Operating condition
1. Place the light switch in the AUTO position.
2. Turn on the high beam by pushing the lever away from you.
The smart high beam () indicator
will illuminate.
3. The Smart High Beam will turn on when vehicle speed is above 28 mph (45km/h).
If the lever is pushed away when the Smart High Beam is o ...
