How to Replace a Toyota Key Fob Battery
Many Toyota vehicles use key fobs for vehicle entry and remote start. They also come with features like summon buttons that can send your car to find you in parking spaces that are difficult to find.

But if your Toyota's smart key fob battery goes out, it will be difficult to get a replacement. The reason is that a chip shortage is making it hard to make the fobs.
How do I replace the battery?
Modern cars are loaded with amazing technology, including key fobs which allow you to lock and unlock your vehicle or start the engine without using the traditional key. Your Toyota key fob, as all battery-powered gadgets will eventually require a new battery. If it has a battery, you'll need be able to open the case and replace the battery in a manner that won't damage your key fob case or the other components within it.
There are several signs that your key fob battery is failing. One is when you notice that the key fob's light is becoming dimmer. The device is dependent on its battery in order to transmit a signal to the vehicle's computer when you attempt to use the remote. If your Toyota Tundra's signal is less than normal it may be time to replace the battery.
It's a little more complex than just inserting a key into the slot that is built into the case to unlock your Toyota key fob, and then replacing the battery. To get to the circuit board, you'll need a thin tool. Newer Toyota models include a slot where the key can fit into, while older models require you to stick a screwdriver or another flat object into a cut-out on the side of the case. When you open the fob, you will need to remove the battery and replace it with a brand new one. After you've resealed the case, you'll be able to test the fob to see whether it's functioning correctly by locking and unlocking your vehicle before activating it.
It's easy to replace the battery in your Toyota remote key fob, but be cautious not to harm the case or other electronic components. If you are unsure what to do, we recommend visiting our Toyota dealership in Los Angeles to get professional advice and assistance.
How to program the Key
Toyota offers many convenience features that make driving your car easy. These include keyless entry and starting. While these features are wonderful, they will only work when your Toyota key fob is properly connected to your vehicle. It's easy to replace the battery in your keyfob or reprogram the one you have at your home.
The first step is opening the key fob and remove the ignition key that is made of metal. The next step is to open and close the driver's door twice within a period of 40 seconds. If you repeat this process five times the door locks will indicate that remote programming mode is in operation. If the key fob doesn't respond, repeat the steps or arrange service with us to receive personal assistance.
To open the key fob, insert a small tool into the notch on the side of the key fob. The majority of guides recommend a screw with a flat head, but a knife will also work. There's a tiny circuit board that covers the battery after you have separated the two halves. Take G28 of the location of the battery and then examine it to make sure you don't cause damage to the key fob. Place the new battery in the same location as the old one, making sure to match the opposite polarity. Reassemble the fob by snapping it back together.
If you don't hear the vehicle responding then double check the battery's location and ensure that the case doesn't get being crimped when it's snapped back together. If you don't hear your vehicle responding, double check the battery placement and ensure that the case isn't crimped when it is snapped back together.
If the issue continues You can contact us at Toyota of Santa Fe for in-person assistance. We are happy to assist you in getting your key fob back and functioning! Many customers like to purchase another key fob so that they have a spare in the case of a dead battery.
How to Lock or Unlock Your Car
Toyota's wide range of fuel-efficient cars SUVs that are family-friendly, as well as powerful trucks are always on the cutting edge in the field of innovative technologies aimed at making driving your car easier than ever. Smart Key, a system that is integrated into the key fob, lets you unlock the car and use a the push-button start without having to take your keys from the pocket.
To lock your car using the fob that you have on your key, locate the button on the fob with a lock icon. Press it once to unlock the driver's door, then press it again to close the doors. You can also open the trunk and rear doors with this button if your vehicle is equipped with them. Many drivers are amazed that their key fobs also lower the windows of their cars immediately. This feature is especially useful if you are carrying loads of weight or wish to cool your car on hot Jacksonville afternoon.
You may not be aware that your key fob can double as a remote starter for your vehicle, too. Press the lock button two times in a single second, then hold it for three seconds. This is a great technique to warm your car before you start driving in the winter or to cool it down prior to driving during a hot day.
You can make use of your key fob to activate other features that are useful in your vehicle, in addition to the basics. For example, many drivers don't realize that their Toyota key fob can be programmed to open the courtesy lights as they get close to their vehicle. This is a wonderful feature to have if you park in the dark or if it's raining and it can help prevent dreaded key fob battery drain.
You can also use your key fob to turn on the panic button on your Toyota if it's in danger of being stolen. Find the button that appears like a closed padlock on your key fob and press it down to activate the alarm. This will cause your car to sound its horn, and flash the lights, helping deter thieves who may be looking for your vehicle.
How to Start Your Vehicle
Press the Start button to start your Toyota vehicle. If you'd like to activate the infotainment system in your vehicle or air conditioning, simply press the button once more. For safety reasons the remote start feature will not work if the gas tank less than a quarter full, or in the event that your vehicle is moving. You can also make use of the Stop-Button feature to prevent wasting fuel. It will shut off the engine but leave the other features of your vehicle in place.
The Toyota App offers another way to remotely start your vehicle. First, make sure that you have a stable internet connection and that the Toyota App is updated. You can download the application from your phone's app store and sign in using your Toyota owner account. After you've signed in, choose the "Start Your Car" option from the Toyota App menu. You can then decide to lock or not lock your doors or have the car turn off automatically after 10 minutes.
You can also start your Toyota vehicle using the key fob when the doors are locked and the trunk and hood are shut. This is a great method to warm the interior before you head inside on the cold Jacksonville day or cool down your vehicle prior to taking it for a drive in the heat.
When using the key fob to start your Toyota It's crucial to remember that you'll need to ensure that it is within the range of the vehicle. If you get too far away, the car will turn off and you will have to enter the vehicle to restart it. This is to safeguard your vehicle from thieves who might start the vehicle when you're not there to prevent thieves from driving away with it.
In addition the remote start function will not work when the vehicle is in park or the transmission is in gear. You can also start your Toyota vehicle by using the buttons on the infotainment system, or the steering wheel.