[Answered] Trying to program a spare key - where's the key code on my Hyundai i30 Fastback 20 T?

2296 views - Last reply: October 29, 2024
This topic is closed for new replies.
Quicksilver
Member since April 2022 • 31 posts

Where's the key code located on a Hyundai i30 Fastback 20 T for key programming?

Posted on October 29, 2024
Adminbot
Staff Member • 627 posts

Hello! We've developed a VIN-based tool to help you get your key code for the Hyundai i30 Fastback 20 T. Check it out here: VIN Key Code Generator.

Posted on October 30, 2024

Replies (5)

Cosmokid
Member • 37 posts

Waiting to see if this will work on my Hyundai i30 Fastback 20 T as well.

October 30, 2024 Reply
Urbanninja
Member • 141 posts

My Hyundai i30 Fastback 20 T's immobilizer is stuck. Hoping this helps.

October 31, 2024 Reply
Icemann
Member • 87 posts

Appreciate any advice—my Hyundai i30 Fastback 20 T won’t recognize the key.

November 01, 2024 Reply
Quantumq
Member • 18 posts

Still can’t find the code for my Hyundai i30 Fastback 20 T. This might do it.

November 02, 2024 Reply
Knightlight
Member • 66 posts

Following this for my Hyundai i30 Fastback 20 T. Please update if it works!

November 03, 2024 Reply

Check the news !

Car Audio & Customization Show
🚙 Local Meetup: Car Audio & Customization Show
A gathering for true gearheads and petrolheads

🏁 Where: Waterfront Drive
📆 When: May 9 @ 11AM-6PM

Event features:
Burnout Contest | DJ Music | Vendor Booths

⚙️ Forum Members: Don't forget to tag your photos #OurForumName ✨

🔩 Off-Road Vehicle Build Day

👩‍🏭 Instructors:
• Master Technician Carlos Rodriguez (20+ years experience)
• Restoration Pro Alex Petrov

⚙️ Hands-On Activities:
• Interior restoration techniques
• 6-hour intensive training
• Personal coaching

📋 Skills Covered:
Metal finishing | Bondo application | Rust treatment

🏎️ May 12, 2026 at 11:00 AM (6-hour)

💡 Bring your own project - we'll help you work on it!

Workshop: Off-Road Vehicle Build Day
Drivetrain Optimization Workshop

🔋 Drivetrain Optimization Workshop

🧰 Instructor: NASCAR Crew Chief Lisa Thompson

📱 Workshop Includes:
• Data interpretation techniques
• 6-hour comprehensive hands-on training
• Fuel system upgrades | Injector sizing | Pump flow

📉 Bonus: Access to tuning parameter database

🔌 Next Session: May 7, 2026 at 11:00 AM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Did you know? Proper tuning can add 20-30% more power from the same hardware

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

Common questions about key programming, fob issues, and replacement options

Security Systems
An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
Key Programming
Professional key programming requires: diagnostic tools to access the immobilizer system, key code software, transponder programmers, and often proprietary manufacturer equipment. Some locksmiths and all dealers have these tools.
Key Fob Issues
Common causes: dead battery (most common), water damage, internal circuit damage, or the fob lost synchronization with your car. Try replacing the battery first. If that doesn't help, the fob may need reprogramming or replacement.
Key Programming
Most transponder keys and smart keys can be reprogrammed if they haven't been damaged. Basic mechanical-only keys (no chip) can't be reprogrammed - they must be physically cut to match your locks.
Key Tip: Consider key insurance for expensive smart keys
Security Systems
Not recommended. Bypassing requires specialized knowledge and may violate anti-theft laws. Proper solutions: 1) Get correctly programmed keys 2) Replace faulty immobilizer components 3) Have dealer reset the system if keys are lost.
Key Tip: Always have at least two working keys to avoid expensive replacements
Key Fact: Some luxury car keys can cost $800+ to replace at dealerships

🔑 KEY SERVICES CLASSIFIEDS

Key Fob Repair & Battery Replacement
$25+
Posted: Apr 29, 2026
Fob not working? We fix broken buttons, replace batteries, and resync to your vehicle. Most repairs done while you wait. Water damage specialists available.
Call: 456-523-4932
Smart Key Programming Special
$150
Posted: Apr 19, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 710-638-0418
Anti-Theft System Repair
$85+
Posted: Apr 24, 2026
Fixing security light issues, PATS systems, and ignition immobilizers. Proper diagnosis before repair. Most vehicles serviced same day. Warranty on all work.
Call: 417-559-1742
Vintage Car Key Restoration
$55+
Posted: Apr 20, 2026
Specializing in classic car keys (pre-1990). Can reproduce hard-to-find keys for antique vehicles. Museum-quality work for collector cars.
Call: 802-394-4899
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
May 28, 2026

Key Fob Repair Training

by The Key Lab
Learn dealer-level programming techniques normally only available at franchise shops
Seminar
May 4, 2026

Mobile Key Programming Clinic

by VIN Decoder Pros
Step-by-step instruction for repairing common key fob issues including button and circuit problems
Workshop
May 15, 2026

Smart Key Programming Class

by Locksmith Pro
Learn how to extract key codes from VIN numbers and decode vehicle security information
Seminar
May 2, 2026

Anti-Theft System Demonstration

by VIN Decoder Pros
Live demonstration of the latest anti-theft technologies and bypass prevention methods

Need immediate service? Call our 24/7 hotline: 1-800-KEY-HELP

Want to list your key service? Join our provider network

Last posts on the forum