Lexus GS430 Lost Car Key Replacement – All the Information You Need to Get a New Lexus GS430 Key. Tips, Costs, Your Options, and More.
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In this article:
Lexus GS430 was introduced in 2001. This model has two versions and two types of keys.
Remote Key Fob: 2006 to 2008.
Transponder Chip Key: 2001 to 2005.
- 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 Lexus GS430 remote 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:
Lexus GS430 w/Prox:
2006, 2007, 2008: (89904-30270)
Already have a remote key fob? Click HERE for programming information.
Lexus GS430 w/o Prox:
2001, 2002, 2003, 2004, 2005: (TOY48BT4)
Already have a key? Click HERE for programming information.
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Q: I lost my Lexus GS430 car keys, have no spare, and 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 Lexus GS430 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 Lexus GS430. 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., 2008 Lexus GS430.
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: Lexus GS430 key replacement cost – How much does it cost to replace a Lexus GS430 key without the original? What is the average price?
In short, replacing a Lexus GS430 key can cost between $170 to $300. The cost depends on a few factors:
- Type of key
- The year manufactured
- 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 (chip, intelligent fob, “push to start”, remote, regular “non-transponder” key). The newer the car is, the better the security features the key has. Therefore, you can 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 key fob. 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.
in case your ignition cylinder has been changed, which is quite common in older cars, that probably means that the code for the key may not be useful. In these instances, the key will have to be cut manually by a locksmith, or you will have to change the ignition again, which in this case, 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 Lexus GS430 key replacement by 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:
- For vehicles older than 10 years: Lexus dealers don’t keep a record for vehicles older than 10 years. An automotive locksmith is therefore your only option to get a replacement key.
- For vehicles equipped with a transponder system and/or a remote/intelligent key/fob key: Codes are 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: Lexus GS430 key programming – Which keys can you program yourself? Which keys require a programming tool? & more
A: Lexus 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 Lexus keys into two categories:
- No programming needed (Non-transponder keys).
- Keys that need to be programmed (Transponder or remote key fobs). These keys required the expertise of an automotive locksmith or the dealer.
No Programming needed:
Lexus non-transponder keys are metal keys that have no chip in them. Therefore, no programming is needed.
Lexus GS430 has none of this key type – all Lexus GS430 keys have a chip and need to be programmed.
Lexus GS430 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.
Keyless entry information for Lexus GS430:
For year models 2006 to 2008, there is a built-in keyless entry in the remote key fob.
Lexus GS430 key fob battery – important information: How to replace, Size, Cost, and More.
Lexus has different kinds of keys. If your model uses a key fob, here is some important information you should know about the battery.
First, when the battery is dead, it doesn’t mean you can’t unlock your car. You can use the emergency key provided with the key fob to unlock the car.
If you want to start your vehicle, you can do it 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.
Lexus GS430 Key Fob Battery Information:
Lexus GS430 key fob is 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-1632. The average price for these batteries is about $5.
You can order it online here.
Also, you can find it at Home Depot, Walmart, AutoZone, etc.
Here is some general information for Lexus GS430 key fob battery:
Type of battery: CR1632 lithium
Size: Diameter – 16 mm, height – 3.2 mm
Finally, remember that your battery life depends on a few factors such as usage, weather conditions, etc. To better protect your Lexus GS430 key fob and extend its battery life it may be a good idea to have a key fob cover or a case. You can get it online here.
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