More than likely your fob isn t broken it just needs a battery replacement.
Toyota sienna key battery low.
Pop the old battery off and replace it with a new battery.
If the new battery is working properly you should see the parking lights flash.
Test the new key fob battery by standing near your sienna and pressing the unlock and lock buttons.
Make sure that the key fob is flush all the way around with no parts of the green rubber gasket showing.
Inside you will find a small green circuit board that houses the small battery.
The batteries they use vary but my 2011 camry uses a cr2032 battery which you can buy just about anywhere.
The cr2032 is a common lithium battery that many electronic devices use for power.
Then put your key fob back.
If you have ever found yourself trying to open your toyota with your key fob and the system just doesn t seem to be responding don t panic.
Energizer battery cr2032 https amzn to 2decuq6 here is a quick little video showing you how to replace the dead cr2032 battery in the toyota sienna sma.
To change the battery in your toyota key fob take the metal key outside of the fob and then use the opening left behind to gently pry the fob open.
In electronic devices like keyfobs they re supposed to last about five years.
Take a look at our helpful steps below on how to change out the dying battery in your toyota s key fob.
When the battery life in your toyota key fob is low the standard battery life is 1 to 2 years you will hear an alarm in the cabin when the engine stops.