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Why is my remote start not starting my car?

If your remote start isn't working, there could be a few potential reasons. The most common issues include a dead battery in the remote, a problem with the remote start system itself, or interference from other electronic devices. Let's explore these potential causes in more detail.


Checking the Remote Battery


The first thing to check is the battery in your remote start key fob. If the battery is dead, the remote won't be able to communicate with your car's remote start system. Replace the battery and try again. Make sure to use the correct battery type specified by the manufacturer.


Troubleshooting the Remote Start System


If the remote battery is fine, the issue may be with the remote start system in your car. Here are some things to check:



  • Ensure the remote start system is properly installed and configured. Issues with the wiring or programming can prevent the system from working correctly.

  • Check for any error codes or warning lights on your dashboard that could indicate a problem with the remote start system.

  • Make sure the remote start system is enabled and not disabled, either through a setting in your car's menu or by a switch.

  • Verify that the remote start system is compatible with your specific make and model of car.


If you've checked these things and the remote start still isn't working, you may need to have the system inspected and repaired by a professional.


Interference from Other Devices


Another potential cause of remote start issues is interference from other electronic devices. Things like Bluetooth speakers, wireless chargers, or even other key fobs can disrupt the communication between your remote and the car's system. Try moving away from any potential sources of interference and see if that resolves the problem.


If you've followed these troubleshooting steps and your remote start still isn't working, it's best to consult with a professional mechanic or the manufacturer of your remote start system for further assistance.

Can the remote key cause the car not to start?


Your car not starting could be the result of many different issues. On the heavier side of the potential causes, it could be total engine failure (not ideal). But on the lighter and more common side, it could have something to do with the key fob (which is still annoying, but typically much easier to deal with).



Can a key fob cause your car not to start?


A dead battery in your key fob means it can't broadcast the signal the ignition system is looking for. If your car or truck can't detect the correct signal, then the ignition will remain locked, and you won't be able to start your car with the fob in your pocket.



How do I get my remote starter to work again?


Does LOCK/UNLOCK work?

  1. Check/replace remote batteries. If your remote has USB port, plug it into a USB charger and then try again later.
  2. Check the remote antenna inside of your vehicle. Make sure that the connecting harness is fully secured.
  3. Try reprogramming your remotes.



Can a remote start preventing car from starting?


No because the remote start only operates the starter and energizes the ignition system. It doesn't affect the engine once it's started. If you have a misfire, your CEL should be on. Read its code as it will tell you which cylinder(s) to check.



Where is remote reset button?


Reset the remote: If the remote still isn't working, you can try resetting it. Look for a small reset button on the back of the remote or inside the battery compartment. Use a paperclip or a similar object to press and hold the reset button for a few seconds. Then, try pairing the remote with the TV again.



Why isn't my car responding to my key fob?


The most common issue is the battery running out of charge and needing to be replaced. In most cases, a car key fob will last many years, but if it is used more frequently then you could end up having to buy one. This can easily be done at a local garage, tech shop or by yourself at home.



Why would my automatic start stop working?


Start/stop can be unavailable for a lot of reasons. Engine temp too low, battery temp too low, fuel level too low, driving in stop and go traffic, your belt not being buckled, etc.



Why won't my key fob start my car anymore?


This is usually a sign the battery is running low and needs to be replaced, so start by replacing the battery. It is always easier to do this while the remote is still working. If this doesn't solve the problem, it may be due to interference with another vehicle or a faulty transmitter.



Why is my car not starting with remote start?


A dead battery, faulty starter, and an activated valet mode are some of the reasons why your remote start isn't working. Aside from electrical issues, coolant and oil pressure problems can also affect the remote start's operation. It costs between $250 and $400 to replace a damaged remote start fob.



How do I reset my remote start?


Press the Lock button on your remote car starter. Within five seconds of turning it on, turn your key back to the “off” position (or press the start button again). Repeat the on-off cycle three more times—you'll do four in total.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.