What Happens When The Key Fob Battery Is Low
Typically, a key fob with a low battery starts exhibiting some or all of the following symptoms:
- The fob may become less responsive or unresponsive over time.
- It may not lock/unlock your car easily and may start losing its range. You may have to get closer for the keyless entry function to work.
- In cars with a push-button start, the car may not recognize a key fob when the battery is weak
Rely On Audi Hampton For All Things Automotive
Whether you need to learn how to open your Audi key fob, how to replace your Audi key fob battery, or how to program your Audi key fob, Audi Hampton has you covered. Our expert team knows the ins and outs of your vehicle and can provide you with guidance at every stage of your ownership journey. From quick Audi key fob programming to affordable Audi key fob replacements, our dealership near Williamsburg is your local source for everything Audi. If you have any lingering questions, contact us right away for support.
Audi Key Fob Battery Replacement
It is hard to enjoy the excellence of your Audi when the literal key to your enjoyment is compromised! This vital little tool helps you lock and unlock your vehicle, as well as open your trunk and drive off in certain models. Every once in a while, though, youll need to replace the battery in your Audi key fob. Or replace the key fob in its entirety if lost. If or when that time comes, you can be sure to trust the experts at our Audi service center in Riverside near Los Angeles and Orange County!
Also Check: How To Change Battery In Subaru Key Fob
Read Also: How To Change Battery On Watch
Lets Welcome Rusty To The Team
The HogWatch team is excited to announce our new partner, the Nascar legend Rusty Wallace! Rusty is a racing icon, public speaker, and member of the the NASCAR Hall of Fame. We are looking forward to partnering with him for events, commercials, and more! Stay tuned for upcoming appearances by Rusty at an event near you.
How Thieves Can Steal Your Car Without Taking Your Keys

The hi-tech relay gadget that uses signals to unlock vehicles parked outside homes. What is relay theft? Relay theft occurs when two thieves work together to break into cars which have keyless entry systems. The thieves can use equipment to capture signals emitted by certain keys which are used to start new vehicles.
Read Also: Replace Battery In Honeywell Thermostat
How To Change The Battery Of A Honda Key Fob
To replace the battery of a Honda key fob, ensure you first buy a replacement CR2025 battery. It will cost you between $2-4 dollars for a pair of batteries.
- Slide the button to release the physical key
- Pry the key fob open into two halves using a finger or screwdriver at the seams
- Pop out the old battery and replace it with the new one
- Take care to insert the new battery in the same orientation as before, with the correct and signs in place.
- Test the battery for any issues and ensure it is in proper working condition
What Size Battery Do I Need For My Key Fob
Most car keys take CR2032 and CR2025 3-Volt batteries, but that doesnt mean they fit every key fob. Different cars take different batteries. You can find the exact type in the owner’s manual.
If the owner’s manual is not handy, you can always check your current key fob. Then replace it with the exact type.
You May Like: How Much Is An Iphone Battery Replacement
Can I Replace The Battery In My Key Fob
Yes, you can. DIY is quick, simple, and cheap. To do this, pry apart the key fob and replace the coin battery inside with a new one. If you are not mechanically inclined you can always call Keyway Locksmith.
When changing the battery use caution. The plastic tabs that hold the fob together could break easily. Be careful not to break them in the process.
When replacing the battery, notice the way it’s installed. It’s important to install the new battery the same way, or it won’t work.
If you changed the battery and it still doesn’t work, then the key needs further examination by a professional.
Audi Smart Keyless Entry Remote Battery Replacement
You’ll need one CR2032 battery for your Audi Smart Keyless Entry Remote. After that, you’ll need to:
- Locate the key release found in the chrome part of the key and use your thumb to press down
- Remove the metal key blade from the shell
- Grip the exposed plastic of the battery holder with your thumb and remove it from the key fob
- Remove the battery, making sure to note the positive side of the battery
- Replace it with a fresh battery, making sure the positive side is facing the plastic
- Add the battery holder back into the shell
- Reinsert the metal key into the shell
Also Check: How Long Do Iphone Se Batteries Last
Run Your Trouble Codes
There might be a larger issue at play.
Depending on whether or not you own an on-board diagnostic tool, now is the time to go ahead and run your trouble codes. If you dont own an on-board diagnostic tool, your local Audi dealer can run your codes for you.
- If you cant run diagnostics on your car, and cannot afford to pay a local Audi dealer to do so for you, you have one final option.
- Disconnect your car battery, starting with the negative terminal first.
- Wait at least 30 minutes before reconnecting your car battery, and then re-program your key fob, as needed.
Also Check: 2013 Ford Fusion Battery Replacement
How To Change The Battery In An Audi Key
You may find, with time, that your Audis computer doesnt respond to your remote controls signals as well as it used to. However, the remote is expensive, and you dont want to break it while trying to pry it open for a battery replacement. Further complicating the problem is knowing whether your remote takes a CR 2032 type battery or a CR 1620 one. The A4 and A6 generally take the 2032, while the A8 and TT take the 1620, but dont take this as a hard and fast rule for all model years. The general approach to getting access to the batteries is the same, with small differences between car models.
Also Check: Car Battery Won’t Hold Charge
How To Change Your Car Key Battery
We get asked this question a lot and whilst we can do this for you it may be a more cost effective and quicker option for you to do it yourself.
If you notice that your car key fob only opens the doors now and again, or it does not lock or unlock the car at all, this could be a tell-tale sign that the fob battery needs replacing. Even though you may still be able to use the manual key function of the fob to secure your vehicle, the automatic lock and unlock feature can be extremely useful, so its worth knowing how to change the battery inside the fob when it needs replacing.
The good news is, changing the battery inside a car key fob is quick and easy for you to do at home. However, we are always here to help so if you are struggling with the below then give us a call on or .
To determine that it is the battery thats the problem, you can first check if the manual locks on the car still work. If they dont, it could be an issue with the vehicles locking mechanism rather than the car key or the fob battery. If you have a spare fob for your car, you could try locking and unlocking the car with this too. If it works, you can assume that the battery in the other one is the problem.
Once youve established that the battery needs replacing, youll need to purchase a new one. In most cases, car key batteries are round and flat like a coin. To make sure that you buy the right type and size of battery, open the fob to look at the original battery.
Audi Flip Key Battery

Although replacing your Audi key battery is pretty straightforward, we understand if you would rather have our professionals take care of it. To do so, schedule service at our service center near West Salem.
Read Also: Where To Change Car Battery
Honda Key Fob Battery
- 2021 Honda Accord Hybrid CR2032
- 2021 Honda Accord Sedan CR2032
- 2021 Honda CR-V CR2032
The following Subaru takes CR1620 Batteries
- 2021-2022 Subaru Impreza – 1620
- 2021 Subaru Forester – 1620
The following Subaru takes CR2032 Batteries
- 2021 Subaru Impreza – 2032
- 2021-2022 Subaru Legacy – 2032
- 2021-2022 Subaru Outback
- 2021 Subaru Forester
In summary, your remote battery does last for a few years but will need replacement. CR2032 and CR2025 are the most popular coin battery that most key use however, it does not mean it fits every key.
Key fob battery replacement is an easy and quick task. You can replace it on your own but if you prefer a professional to handle it, you can always call us. If you still have questions, you can ask them in the comment or call us for a faster response.
How To Program Your Audi Key Fob
If you’ve swapped your key fob battery, you may need to program your Audi key fob in order to take advantage of its features. You can do this on your own, or you can rely on our service team to handle the job for you! To program your existing remote, follow these instructions:
Note: If you need to program a brand-new key fob, we suggest you visit our Hampton dealership for help. The process to program new or multiple fobs can be complex, but our expert staff can handle the job in just a few minutes!
Read Also: How Many Amps In Car Battery
How To Change The Battery In An Audi Key Fob
Do you have problems locking and unlocking your car in Newport Beach using your Audi key fob? Do you see a key and battery symbol illuminated on your Audi dashboard? Your Audi key fob may need a battery replacement. With three types of Audi key fobs on the market, you’ll need to know how to change your Audi key battery. Learn how to change a battery in an Audi key fob below with Audi Fletcher Jones!
How To Save Money On Car Insurance
âJerry is the future of car insurance! I downloaded the app, entered the information, picked my insurance rate, and paid my fee. I even switched insurance providers easily! Jerry saved me $182/month so quickly!â âPaulina F.
Thousands of customers saved on average $887/year on their car insurance with Jerry
Recommended Reading: 3/4 Hp Garage Door Opener With Battery Backup
You May Like: How To Change Blink Camera Battery
How To Change The Battery On Audi Smart Keyless Entry Remote
This key fob has been used in many Audi cars since 2008, including A, Q, R, S, and TT models. If your Audi key fob battery is too weak or dead, it will prevent you from starting the car using the Start/Stop button.
Battery Size: CR2032
Battery Size: CR2032
Over the years, Audi has come out with a few different key designs. These instructions were written to help owners change the key fob battery on Audi models such as the A3, S3, RS3, A4, S4, A5, S5, A6, S6, A7, S7, RS7, A8, S8, Q3, Q5, SQ5, Q7, TT, and R8.
Signs Your Key Fob Needs A Battery Replacement
The transmitter loses its range when the fob battery becomes weaker. If you notice you have to be a lot closer to your car than usual, that’s a sign that your range is decreasing. This is an indicator to change your battery. Other signals include:
- If your key is not giving out any signal
- If you have to press the button repeatedly before your vehicle accepts the signal
- If your key remote is inconsistent or unreliable
You May Like: How To Charge Toyota Camry Hybrid Battery
Audi Smart Keyless Entry Remote Battery
Audi Q5 Mk 2 Key Battery Replacement

Use this technique to replace the key fob battery for the Audi Q5 / SQ5 second generation .
If the LED on the key fob no longer illuminates when a button is pressed, it means the battery is dead and requires replacing. The vehicle key low battery warning light may also illuminate along with a message warning that the battery is low.
More about the Audi Q5 |
---|
Also Check: Everstart Maxx Lead Acid Automotive Battery Group Size 24f
Audi A4 Key Fob Battery
Audi q7 remote key not working. Coolant flange 07-08 vw audi q7 3.6 vr6 bhk. Audi battery fob q5 key a4 replacement replace q7 remote a5 tt diy
Audi Advanced Key Programming Optimum Audi. 9 Pictures about Audi Advanced Key Programming Optimum Audi : Audi Q5 Key Fob Battery Replacement 2018, 2017 Audi A4 Key Fob Battery Replacement Optimum Audi and also Audi Advanced Key Programming Optimum Audi.
How To Replace The Battery In A Key Fob
This article was co-authored by Shawn Fago. Shawn Fago is a Master Locksmith and the Founder of Noble Locksmith, a nationwide locksmith company based in San Diego, California. With over seven years of experience, he provides commercial, residential, and automotive locksmith services to customers. Shawn attended California State University, Fullerton. This article has been viewed 197,088 times.
No matter what type of key fob you have, you can replace the battery in a few minutes. The technique to open the fob and the battery you need differs slightly depending on the specific key fob you own. Pry open the fob, then swap the old battery out for a new one. Your key fob should then work as intended once again.
Read Also: 2012 Nissan Leaf Battery Replacement Cost
How To Replace Your Audi Key Fob Battery
Before you learn about Audi key fob programming, you’ll need to handle your Audi key fob battery replacement. Depending on the type of Audi key fob you have, the process to replace the battery can differ. However, your Audi key fob battery replacement will feel like a breeze when you follow our guide:
Replacement Audi Keys & Key Fob Batteries In Bellevue
Need a new Audi key fob battery? Lost your current Audi key fob and need a new one? The Parts Department at Audi Bellevue has replacement Audi keys and replacement key fob batteries in stock and available to purchase.
Our team will gladly help you replace your battery and get your key fob configured with your vehicle again. Feel free to stop by our Audi Parts Department in person or give us a call if you have any questions.
Recommended Reading: Watch Battery Replacement Las Vegas
What Is A Key Fob
A key fob sometimes called a remote keyless system is a handheld device that allows you to lock and unlock your vehicle remotely. It consists of a remote control and RFID antenna that is connected to your cars locking system. Some key fobs have a retractable physical key with which you can lock/unlock your car manually as well.