Kia Optima key fob battery
GarageDex's key fob data shows the Kia Optima key fob takes a CR2032 coin cell across the 2001 to 2015 model years.
Shop CR2032 batteries A 2-pack covers both fobs
Key takeaways
- 2014 to 2015 Kia Optima: CR2032.
- CR2032: 20 mm wide, 3.2 mm thick - the most common fob cell.
- Same cell across every listed year.
- Note which side faces up before removing the old cell.
| Years | Fob type | Battery | Notes |
|---|---|---|---|
| 2014 to 2015 | Standard fob | CR2032 | 20 mm wide, 3.2 mm thick - the most common fob cell |
| 2010 to 2013 | Standard fob | CR2032 | 20 mm wide, 3.2 mm thick - the most common fob cell |
| 2006 to 2010 | Standard fob | CR2032 | 20 mm wide, 3.2 mm thick - the most common fob cell |
| 2003 to 2005 | Standard fob | CR2032 | 20 mm wide, 3.2 mm thick - the most common fob cell |
| 2001 to 2002 | Standard fob | CR2032 | 20 mm wide, 3.2 mm thick - the most common fob cell |
How to change the Kia Optima fob battery
- Slide out the mechanical key if the fob has one, and look for a slot or notch along the seam.
- Twist a coin or a small flat screwdriver in the slot to split the case. Work around the seam rather than forcing one point.
- Note which side of the old cell faces up, then lift it out with a fingernail or plastic pick - avoid metal tools across the contacts.
- Fit the new CR2032 the same way up, snap the halves together, and test the lock button before walking away from the car.
Batteries and tools for the Kia Optima fob
Coin cells are universal - any brand's CR2032 fits. Buy a multi-pack so the second fob gets a fresh cell too.
CR2032 batteriesName-brand multi-pack, check the date codeShop batteries Plastic pry toolOpens the case without scratching itShop tools Fob coverSilicone case filtered to the Kia OptimaShop covers
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Same car, other specs: Kia Optima specs hub and 12V battery size.
Other Kia models
Source: Microbattery - Key Fob Battery Finder. Fob designs change mid-generation, so confirm the code printed on the cell you take out before you order.