Hyundai Sonata: Battery replacement
A smart key battery should last for several years, but if the smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use your smart key or replace the battery, contact an authorized HYUNDAI dealer.
1. Insert a slim tool into the opening and gently pry open the rear cover of
the smart key.
2. Replace the battery with a new battery (CR2032). When replacing the battery,
make sure the battery positive “+” symbol faces up as indicated in the illustration.
3. Install the battery in the reverse order of removal.
CAUTION
- The smart key is designed to give you years of trouble-free use, however it can malfunction if exposed to moisture or static electricity. If you are unsure how to use or replace the battery, contact an authorized HYUNDAI dealer.
- Using the wrong battery can cause the smart key to malfunction. Be sure to use the correct battery.
- To avoid damaging the smart key, don't drop it, get it wet, or expose it to heat or sunlight.
- An inappropriately disposed battery can be harmful to the environment and human health. Dispose the battery according to your local law(s) or regulation.
Restrictions in handling keys
When leaving keys with parking lot and valet attendants, the following procedures
will ensure that your vehicle’s trunk and glove box compartment can only be opened
with the mechanical key.
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See also:
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Inspection
1.
Ignition "ON".
2.
Turn on the head lamp switch.
3.
Check for operation. If the aim of the head lamps changes smoothly when the head lamp leveling switch is turned.
4.
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Removal
1.
Remove the battery and the battery tray. (Refer to
"Charging system" in EE group.)
2.
Remove the under cover (A).
...