toto. Indeed, the ability to remote start with the keyfob does expire after 3 or 10 years based on your audio system level as shown in the first post unless you're still paying for Remote Connect annually at that point. It's a very artificial limit, but it's what Toyota has chosen to do.
Note: engine will continue to run of panic alarm is triggered from key fob. Remote start system not working on Toyota Avalon. The answer is usually no, as long as you use the same type of battery. However, if you use a different type of battery or your key fob stops working after changing the battery, you may need to reprogram it. By the way, you can still drive a car if your key fob is dead. Resources: If you have both original keys, you can program a key fob with remote start, and it will work. Only if you change a module to work with the remote start keyfob. The remote start and non-remote start fobs work on 2 different frequencies. So, if you change frequencies, your 2 original fobs will not work. While there are key fobs with just remote start, many carmakers are adding another high-tech aspect into the mix, connecting an app to allow owners to start their car from their smartphone. This makes the remote start more convenient and adds a few extra perks that make driving more enjoyable.

Press the lock button on the key fob of your Explorer. Within three seconds, press the remote start button twice on the key fob. The exterior lamps flash twice and then the engine starts. Once started remotely, the engine will run for 5, 10 or 15 minutes, depending on the setting, and then shut off. The horn sounds if the system fails to start

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does my key fob have remote start