LEXUS NX Key fob battery replacement Cost
2017–2021 · Engine, Fuel & Emissions system
Typical range
$33–$84
Parts + labour
Labour hours
0.2–0.5h
At a typical garage
The 12 V battery starts the engine and powers electronics when the car is off. Most batteries last 3–5 years; warning signs include slow cranking, a battery warning light, and electrical gremlins. LEXUS NX battery replacement typically costs $33–$84 including the new battery.
Typical parts included
- Key fob battery
What affects the price
- Battery group size and CCA (cold cranking amps) rating
- OEM vs aftermarket brand (Bosch, Varta, Optima)
- Whether the ECU requires a reset or recalibration after replacement
Common questions
How long does this repair take?
Key fob battery replacement on a LEXUS NX typically takes 0.2–0.5 hours at a garage.
How often does this need to be done?
For a LEXUS NX, this is typically needed every 3–5 years, or sooner in extreme hot or cold climates.
Other engine, fuel & emissions system repairs on the LEXUS NX
- ABS hydraulic unit replacement$383–$701
- ABS sensor replacement$158–$289
- ABS system bleeding$126–$231
- AC compressor clutch replacement$315–$578
- AC compressor replacement$338–$619
Key fob battery replacement cost on similar cars
- MINI Countryman$32–$58
- VOLVO XC60$32–$58
- JEEP Compass$32–$58
- PEUGEOT 3008$32–$58
- HYUNDAI ix35 / Tucson$32–$58
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