Experiencing short battery life in your 2019 Subaru Ascent key fob can be frustrating. Several factors can contribute to this issue, and understanding them is the first step to finding a solution. As automotive experts at keyfobx.com, we’ll break down the common causes and offer practical advice to extend your key fob battery lifespan.
One primary factor is the quality control of CR2032 coin batteries used in key fobs. Not all batteries are created equal, and occasionally, a faulty battery may slip through quality checks. If you have a battery tester, it’s a worthwhile step to quickly assess a new battery before installing it in your fob. Even with a seemingly dead fob, you should still be able to access and start your vehicle using the emergency key and the fob itself against the start button, but proactively addressing battery issues is always preferable. For consistent performance, consider reputable brands like Energizer or Duracell when replacing your battery. While genuine Panasonic batteries are an option, they may require more effort to source reliably.
Another common reason for rapid battery depletion is user habits. Do you frequently press the lock/unlock buttons multiple times as you approach or leave your Ascent? This repeated button pressing can significantly drain the battery faster. A simple adjustment is to utilize the touch-sensitive locking and proximity unlocking features of your Subaru Ascent. For those moments of double-checking after walking away, the MySubaru/Starlink app offers a convenient way to confirm your vehicle’s lock status without overusing the key fob buttons.
Finally, the proximity of your key fob to your vehicle can also impact battery life. Evidence suggests that storing your smart fob too close to your Subaru Ascent can lead to battery drain in both the vehicle and the fob. To prevent this, ensure your key fob is stored far enough away from your vehicle, allowing the car to fully enter its “sleep” state. Alternatively, consider using a Faraday cage or a valet box designed to block key fob signals, especially when storing your fob at home.
By addressing these potential factors, you can effectively manage and extend the battery life of your 2019 Subaru Ascent key fob, ensuring reliable access to your vehicle.
