Kia Optima: Smart key / 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 Kia dealer.
1. Remove the mechanical key.
2. Pry open the rear cover.
3. Replace the battery with a new battery (CR2032). When replacing the battery,
make sure the battery is in the correct position.
4. Install the battery in the reverse order of removal.
- 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 Kia 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 regulations.
CAUTION - Smart key damage
Do not drop, get wet or expose the smart key to heat or sunlight, or it will
be damaged.
IC WARNING
This device complies with Industry Canada licenceexempt RSS standard(s).
Operation is subject to the following two conditions: (1) this device may
not cause interference, and (2) this device must accept any interference, including
interference that may cause undesired operation of the device.
Loss of the smart key
A maximum of 2 smart keys can be registered to a single vehicle. If you happen
to lose your smart key, you will not be able to start the engine. You should immediately
take ...
Your vehicle is equipped with an electronic engine immobilizer system to reduce
the risk of unauthorized vehicle use.
Your immobilizer system is comprised of a small transponder in the smart key
...
Other information:
When the tire pressure monitoring system warning indicators are illuminated,
one or more of your tires is significantly under-inflated.
If the telltale illuminates, immediately reduce your speed, avoid hard cornering
and anticipate increased stopping distances. You should stop and check you ...
If the engine stalls at a crossroad or crossing
If the engine stalls at a crossroad or crossing, set the shift lever in the N
(Neutral) position and then push the vehicle to a safe place.
If you have a flat tire while driving
If a tire goes flat while you are driving:
1. Take your foot off the ...