Mazda 3 Lost Car Key Replacement – All the Information You Need to Get a New Mazda 3 Key. Tips, Costs, Your Options, and More.
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In this article:
Mazda 3 was introduced in 2003. This model has two versions and five types of keys.
Remote key fobs: 2010 to 2021.
Transponder chip keys: 2004 to 2016.
- Please keep in mind that while some keys or key fobs may look the same, they have different capabilities/frequencies/keyways. Therefore, having the right key or key fob is essential.
- Already have your key? Need information to guide you through programming your Mazda 3 key fob or transponder key? Click here for more information.
Quick access or go to FAQ
Click on the type of key you had or your year model below to get the most accurate information:
Mazda 3 w/Prox:
Already have a remote key fob? Click HERE for programming information.
2014, 2015, 2016, 2017, 2018: (GJY9-67-5DY)
Mazda 3 w/o Prox:
2009, 2010, 2011, 2012, 2013, 2014, 2015: (BGBX1T478SKE125-01)
Already have a key? Click HERE for programming information.
2004, 2005, 2006, 2007, 2008: (MAZ24R-PT)
Already have a key? Click HERE for programming information.
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Q: I lost my Mazda 3 car keys. I don’t have a spare, so need a replacement. How and where can I get a replacement key?
Generally speaking, you have three options:
- Call an automotive locksmith that offers a mobile service for Mazda 3 cars. We can help you with that.
- Tow the car to the dealer.
- Order a key online and have the dealer or locksmith cut and program it for you (if necessary).
A word of caution: The type of key you need depends on the year and model of your Mazda 3. Therefore, the options for getting a new key made and programmed depend on whether you need a remote, an intelligent fob, push to start button, a transponder, or a regular key.
A: For a more detailed explanation, including tips on SAVING TIME AND MONEY, please visit our blog post: How to get a replacement key.
Not ready to call for service just yet? Click here for some GREAT ideas on how to find lost car keys.
Q: What should I tell the locksmith or dealer when I call for service?
A: First, make sure you have the exact year, make, and model, e.g., 2020 Mazda 3.
Also, write down the VIN (Vehicle Identification Number) of the car located on the left side of the dashboard near the mirror (Click here for more information). The VIN helps the locksmith or dealer verify the year, make, and model of the car and determine which key you had.
Finally, make sure you can show ownership of the car by having the necessary documents – title, ID, insurance card, etc.
Q: Mazda 3 key replacement cost – How much does it cost to replace a Mazda 3 key without the original? What is the average price?
In short, replacing a Mazda 3 key can cost between $180 to $410. The cost depends on a number of factors:
- The type of key you need
- The car’s year of manufacture
- Time of day & your location
- Where you get a key replacement (dealer, automotive locksmith, online, etc.)
- Availability of code to cut a new key
- Original ignition or not
The type of key you had and the year the car was manufactured are the most important factors for identifying if you need a chip, intelligent fob, “push to start”, remote, regular “non-transponder” key. The newer the car is, the better the security features the key has. On later models, you can therefore expect to pay more than $250 for a replacement key. Click here to see the model and type of key you had for a more accurate price and additional information.
the price depends on where you get a key replacement. Did your replacement key come from the dealer, or an automotive locksmith? Or did you get it online? Click here to get a more detailed explanation of how to get a replacement key.
The dealer usually charges about 10% to 15% less for the replacement key than a locksmith would charge. However, you will likely have to tow the car there to program the new key or remote. Therefore, the total price is usually higher.
consider that if you have a locksmith come out and make you a new key outside regular business hours, the price may increase.
If you have previously had your ignition cylinder replaced, which is quite common in older cars, this probably means that the code for the key may not be useful. In such cases, the key will have to be cut manually by a locksmith, or you will have to change the ignition again, and here the dealer can’t help.
For a more detailed explanation and GREAT TIPS on how to save money, please visit our blog post: Car keys replacement costs
Q: Can I get a Mazda 3 key replacement by its VIN?
A: That depends on the year of manufacture of your car and the type of key you had.
The VIN gives dealers or automotive locksmiths the option of accessing the key code on file – i.e., to cut you a replacement key by code which makes the process fast and easy. There are however two things to consider:
- If your vehicle is older than 10 years, Mazda dealers will no longer have its key code record, so an automotive locksmith will be your only option to get a replacement key.
- For vehicles equipped with a transponder system and/or a remote/intelligent key/fob key, the codes should be available. However, as coding is required, you will have to either tow the car to the dealer, or have an automotive locksmith come and code the key on site.
For more information, click here
Q: Mazda 3 key programming – which keys can you program yourself? Which keys require a programming tool? & more
A: Mazda has different types of keys. Some require programming, and some don’t. All transponder chip keys and/or smart key fobs need to be programmed. This process requires a special programming machine that only an automotive locksmith or the dealer has. There is no need to program non-transponder metal keys.
To make things simple, we divided all Mazda keys into two categories:
- No programming needed (Non-transponder keys).
- Keys that need to be programmed (Transponder or remote keys). These keys required the expertise of an automotive locksmith or the dealer.
No programming needed:
Mazda non-transponder keys are metal keys that have no chip in them, so no programming is needed.
Mazda 3 has none of this key type – all Mazda 3 keys have a chip and need to be programmed.
For Mazda 3 keys that need to be programmed, you will need an automotive locksmith or the dealer:
These keys, also known as remote smart keys, intelligent keys or key fobs, and transponder keys, have a security chip. Programming is needed. Also, a special machine is needed to program them. An automotive locksmith or dealer should do it for you. This process must be followed for most models made after 1998.
WAZSKE11D01, GJY9-67-5DY, BBY2-67-5RY, BGBX1T478SKE125-01, MAZ24R-PT.
Q: I have a Mazda 3 key and would like to get a keyless entry system to unlock all doors as well. Can you tell me which one I should get? Will it need to be programmed and can I program it myself or not?
A: Mazda 3 has a few keyless entry system options. For newer car models, the key you have contains a built-in keyless entry system (a remote master key or key fob/smart key). Some need to be programmed by a professional locksmith or dealer and some don’t. Below you will find all the information relevant to the Mazda 3 entry system.
Keyless entry information for the Mazda 3:
Mazda 3 has two keyless entry remotes. Choose the year of your car:
For year models 2010 to 2021, there is a built-in keyless entry in the remote key fobs.
2008-2009: KPU41777 (Choose Method C)
2000-2008: GOH-PCGEN2 (Choose Method C)
Mazda 3 key fob battery – important information: How to replace, size, cost, and more.
Mazda 3 model has different kinds of keys. If your model uses a key fob, here is some important information you should know about the battery.
There are 2 types of remote key fobs that are battery operated:
Key fob: (like in the picture below)
Key fob: (like in the following picture)
Watch a short video here: how to replace Mazda 3 remote key fob’s battery, type of battery and more:
Things to remember when your Mazda 3 key fob battery is dead:
First, even if the key fob’s battery is dead, this doesn’t mean you can’t unlock your car. You can use the emergency key provided with the key fob to unlock the car.
When you want to start your vehicle, you can do so by placing the key fob in the charging area once you are in the car. This way, you will be able to start your vehicle EVEN if the battery is dead.
Finally, let the key fob charge until you get to a place when you can replace the key fob battery.
Mazda 3 key fob battery information:
Mazda 3 key fobs are battery operated. Every two years or so, or when the battery is low, you may need to change the key fob battery. Here is all the information you need.
The type of battery you need is a CR-2025. The average price for these batteries is about $5.
You can order one online here.
Also, you can find it at Home Depot, Walmart, AutoZone, etc.
Here is some general information about the Mazda 3 key fob battery:
Type of battery: CR-2025 lithium
Size: Diameter – 20 mm, height – 2.5 mm
Finally, remember that your battery life depends on several factors such as usage, weather conditions, etc. To better protect your Mazda 3 key fob and extend its battery life, it may be a good idea to have a key fob cover or a case. You can order one online here.
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