Toyota Smart Key Low Battery Warning

There should be a small button towards the bottom of your fob that you can press to release this key.

Toyota smart key low battery warning.

You can read that two ways. When the key is in use the computer monitors the output voltage of the fob s battery. Or the key fob if that s what your car uses. If the battery starts to fail there might not be enough power available to send or receive the signal needed to start the vehicle.

If you have one of these remotes for your toyota and the low battery light keeps coming on. Or key could mean critical fortunately when a toyota says key battery low it means the key that unlocks and starts the car. Each toyota smart key fob has a manual key hidden inside for situations when the battery dies. Obviously toyota smart key needs a working battery.

Once the voltage gets to a certain point the warning light. The smart key system causes certification ecu smart key ecu assembly to sound buzzer in combination meter and wireless door lock buzzer and display information in order to alert driver. Smart key system indicator light indicates a malfunction in the smart key system. Most fobs can be pried open to access the battery so you may not have to take your car anywhere.

What the key fob battery low warning light means when the key is in use the computer monitors the output voltage of the fob s battery. You can fix this yourself and you don t have to find a toyota dealer. Key could mean they key fob that unlocks and starts the car. What the key fob battery low warning light means.

Failure to investigate the cause of this warning may lead to the system operating abnormally and possibly cause an accident. Have the vehicle inspected by your toyota dealer immediately. Toyota recommends holding the key fob as close to the start button as possible then follow the normal procedure. Once the voltage gets to a certain point the warning light will illuminate on the dash to let you know to replace the batteries.

This warning comes up on the information desplay when the remote battery gets low. Once released use the manual key to open your door as normal.