Is your 2004 Toyota Highlander key fob not working as reliably as it used to? A common culprit is a dead or dying battery. Replacing the battery in your 2004 Toyota Highlander key fob is a simple and cost-effective solution that can save you time and frustration. This guide will walk you through everything you need to know about your 2004 Toyota Highlander Key Fob Battery, from identifying the correct type to replacing it yourself.
Knowing the specifics of your key fob is the first step. The 2004 Toyota Highlander key fob, often featuring three buttons for lock, unlock, and panic, operates on a 315 MHz frequency and is identified by FCC IDs HYQ12BBX or HYQ12BAN. These key fobs are designed for various Toyota models from the early 2000s, including the Highlander, Echo, FJ Cruiser, RAV4, Celica, and Yaris. Understanding these details ensures you’re addressing the correct key fob type when considering battery replacement.
The battery you’ll need for your 2004 Toyota Highlander key fob is a CR2016 battery. This is a common type of lithium coin cell battery, readily available at most drugstores, supermarkets, and online retailers. It’s a 3V battery known for its reliability and long life, making it ideal for key fobs. Keeping a pack of CR2016 batteries on hand can be a proactive measure for any car owner using this type of key fob.
Replacing the battery in your 2004 Toyota Highlander key fob is a straightforward process that you can typically do at home in just a few minutes. While specific steps can vary slightly depending on the exact key fob design, the general procedure involves opening the key fob casing, removing the old CR2016 battery, and inserting a new one. Often, this can be achieved with a small flathead screwdriver or even just your fingernail to pry open the case. Ensure you handle the battery and the key fob components with care to avoid damage.
After replacing the 2004 Toyota Highlander key fob battery, you should test the key fob to ensure it’s functioning correctly. If your key fob still doesn’t work after a battery replacement, there might be other issues, such as programming problems or internal damage to the key fob itself. In such cases, consulting a professional locksmith or your Toyota dealership is advisable for further diagnosis and potential key fob replacement or reprogramming. Remember, maintaining a functional key fob is crucial for convenient vehicle access and security.
