It genuinely hinges on several elements, but notably, two primary factors stand out:
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The Quality Control of the 2032 Coin Battery
The consistency in quality control for 2032 coin batteries can vary significantly. Not all batteries are manufactured to the same standards. Even within reputable brands, occasionally a substandard battery may surface unexpectedly. If you possess a battery tester, it’s advisable to quickly assess a new battery’s charge before installing it in your Subaru key fob. This proactive step can save you from potential access issues. It is also crucial to periodically verify the functionality of your mechanical emergency key to ensure it operates correctly. Experiencing a dead key fob can be unsettling, especially if you are unfamiliar with the procedure to manually enter and start your vehicle under such circumstances. For consistent performance, opting for well-known brands like Energizer or Duracell is a reliable choice. If you prefer Panasonic batteries and are ordering online, ensure they are genuine to avoid counterfeits.
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User Habits and Button Usage
Do you frequently press the lock/unlock buttons on your key fob as you approach or leave your Subaru? This habit of repeatedly pressing buttons can accelerate battery discharge. An effective solution is to utilize the touch-sensitive locking and proximity unlocking features available on many Subaru models. By using these features, you can minimize physical button presses and conserve battery life. If you find yourself in a situation where you are unsure if you locked your car, instead of pressing the key fob buttons again, you can conveniently check and control your vehicle status via the MySubaru or Starlink app.
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Proximity of the Key Fob to the Vehicle
There is considerable evidence suggesting that keeping your smart key fob too close to your Subaru vehicle can lead to battery drain in both the vehicle and the key fob itself. To prevent this, store your key fob at a sufficient distance from your vehicle, allowing the car’s systems to fully power down and enter a sleep state. Alternatively, consider using a Faraday cage or a valet box designed to block electronic signals to store your key fob when you are at home. This prevents continuous communication between the fob and the car, thereby preserving battery life in both devices.
By understanding these factors, you can better manage the battery life of your Subaru key fob and determine when a replacement might be necessary.
