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Key Fob Battery

Security System

Powers the wireless key fob's remote functions.

The small coin-cell battery inside the key fob powers the remote lock, unlock, and panic functions transmitted to the vehicle. It's a low-drain battery that simply depletes with age and use.

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Typical part cost
$3–$10🔒
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Typical labor cost
$0–$10🔒
🛣️
Typically lasts
15,000–30,000 mi
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Or about
1.0–2.0 years
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DIY difficulty
1/10

⚠️ Owners Often Notice

If the Key Fob Battery is starting to fail, these are the signs owners most commonly report before it gets worse:

Reduced remote range
Fob doesn't work at all
Delayed response when pressed
Low battery warning on fob

Related Services

Services commonly performed on or around this part.

Key Fob Replacement

No standard interval on file

Replace Key Fob Battery

No standard interval on file

Test Key Fob Battery

No standard interval on file