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  • Keyless2Go B112-PT Transponder Key, Megamos ID 48 - keyless2go
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Keyless2Go B112-PT Transponder Key, Megamos ID 48

Keyless2Go B112-PT Transponder Key, Megamos ID 48

$19.00
$19.00
+$79.00 Programming Service
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1 Year Warranty Quality You Can Trust
Easy Returns Return with Ease
Premium Support Real People, Ready to Help
1 Year Warranty Quality You Can Trust
Easy Returns Return with Ease
Premium Support Real People, Ready to Help

Get it Programmed

Have your new key fob programmed by a Certified Keyless2Go Locksmith near you! Simply use our Installer Locator to find a trusted locksmith in your area and get your key programmed.

🚗 Need extra convenience? For an additional $50, one of our mobile locksmiths can come to you—whether you're at home, work, or anywhere else.

Vehicle Compatibility

2003-2007 CADILLAC CTS

Replaces OE #

Replaces OE FCC ID

Need a reliable replacement for your Cadillac transponder key? This Keyless2Go transponder key is compatible with 2003-2007 CADILLAC CTS.

Use our fitment guide to confirm compatibility with your vehicle.

Save significantly over dealer prices while enjoying the convenience of local Keyless2Go Certified Locksmiths, who can cut and program your transponder key. Many locksmiths even provide mobile services, coming to your location for a hassle-free experience.
This Keyless2Go transponder key is an affordable and dependable choice for General Motors owners needing a replacement transponder key.
View full details

How It Works

1

Receive Your Key & Service Voucher by Mail

Your replacement key or remote will be shipped to your door along with a service voucher for professional cutting and programming.

2

Find a Certified Locksmith & Program Your Key

Use our Locksmith Locator tool to find a Keyless2Go Certified Locksmith near you, then bring your new key, original key, and voucher for fast, reliable cutting & programming.

3

Back on the Road

Once programmed, your new key works just like your original — unlocking doors, starting the engine, and giving you peace of mind.

Frequently Asked Questions

Do I need to cut or program my key or remote?

Yes. All keys arrive uncut and unprogrammed.

Cutting: Every key must be cut by a locksmith

Programming:

  • Some keys & remotes can be DIY programmed at home (in ~5 minutes)
  • Most keys & remotes require professional programming

Check your product page to see which applies.

How do I program my key?

You have two options depending on your key:

DIY (for select keys & remotes):

Follow step-by-step instructions or in your order confirmation email

Locksmith (most keys):

Purchase cut and programming service for your key or remote

Use our Locksmith Locator Tool to find a certified locksmith near you

  • Call to schedule
  • Bring your key + QR code
  • They’ll handle cutting and programming

How do I find a locksmith? Will you schedule it for me?

You can easily find one using our locksmith locator:

Find a locksmith near you

  • Choose a location
  • Call the Keyless2Go Certified Locksmith directly
  • Schedule a time that works for you

Will this key work with my car?

Yes—just enter your vehicle details or check the product page for compatible makes, models, and years.

What is Keyless2Go?

We are a leading brand of premium replacement car keys and remotes, offering a more affordable alternative to dealership keys—trusted by millions of car owners like you and locksmiths nationwide.

What’s the difference between OEM and Keyless2Go keys?

OEM: Made by the vehicle manufacturer (more expensive)

Keyless2Go:

  • Meets or exceeds OEM standards
  • Often uses OEM chips
  • Costs significantly less

How fast will I get my key?

All orders are shipped from within the U.S.

You can choose from USPS and UPS shipping options to receive your product quickly.

What if I’m not satisfied?

We offer easy returns and exchanges—we’ll make it right.

We have an exceptional 90-Day return policy.

Is there a warranty?

Yes—every product includes a 1-year warranty.

  • 5 stars: 34 (94%)
  • 4 stars: 2 (6%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
R
Richard
Key blank

Worked as it should

R
Richard
Key blank

Worked as it should

j
jlofredd
Don't Hesitate

Good quality key. Cut for free at my local Ace Hardware and programmed with ease in a few seconds.

j
jlofredd
Don't Hesitate

Good quality key. Cut for free at my local Ace Hardware and programmed with ease in a few seconds.

D
D. R. Mortimer
Five Stars

Worked fine

D
D. R. Mortimer
Five Stars

Worked fine

M
Michael E.
Five Stars

works great

M
Michael E.
Five Stars

works great

r
robertchristy
Four Stars

none

r
robertchristy
Four Stars

none

L
Luciano
Five Stars

This is freaking awesome. Worked great !

L
Luciano
Five Stars

This is freaking awesome. Worked great !

S
Sergei
Five Stars

All good!

S
Sergei
Five Stars

All good!

C
Cliff C
I would recommend this product

The key worked perfectly and I was able to get it cut at a local hardware store for under $5. I would recommend this product!

C
Cliff C
I would recommend this product

The key worked perfectly and I was able to get it cut at a local hardware store for under $5. I would recommend this product!

K
Keon Wilson
Five Stars

as expected

K
Keon Wilson
Five Stars

as expected

T
Thomas G. Bachman
Five Stars

Works just like the original, but at a 1/3 of the cost.

T
Thomas G. Bachman
Five Stars

Works just like the original, but at a 1/3 of the cost.

A
Amazon Customer
Five Stars

Like it very much.

A
Amazon Customer
Five Stars

Like it very much.

D
De
Five Stars

just what I was looking for!

D
De
Five Stars

just what I was looking for!

J
Jerry Hughes
Works

Works fine

J
Jerry Hughes
Works

Works fine

r
roger poole
Five Stars

this key works perfect. instructions where easy. lowes cut it for free.

r
roger poole
Five Stars

this key works perfect. instructions where easy. lowes cut it for free.

D
Dpoll
Five Stars

Keys work great. It was very easy to program to my car, too.

R
Ron Yeazel
Five Stars

Works great

K
Kevin Compton
Good price and quality

As long as you get these keys cut by a locksmith who knows what they're doing, these blanks will work fine for a 2007 Cadillac CTS. Good price and quality.

K
Kevin Compton
Good price and quality

As long as you get these keys cut by a locksmith who knows what they're doing, these blanks will work fine for a 2007 Cadillac CTS. Good price and quality.

F
Francisco Rodriguez
excellent product and awesome value

Keys arrived fast, it took longer to get them cut than to get them programmed, excellent product and awesome value!

g
gary stonaker
Five Stars

Worked great

g
gary stonaker
Five Stars

Worked great

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You can trust Keyless2Go

  • Why Choose Keyless2Go?

    Keyless2Go offers top-quality replacement keyless entry remotes that are thoroughly tested for durability and dependability. Our remotes meet or exceed vehicle manufacturer standards, ensuring that you get a product that works perfectly with your vehicle every time. Shop with confidence knowing that each purchase is backed by our satisfaction guarantee.

  • Transparent Pricing and Fast Shipping

    At Keyless2Go, we believe in transparency. Our pricing includes everything you need for a hassle-free experience—no hidden fees. Plus, with our fast-shipping options, you can receive your new key quickly and get back on the road. Explore our range of keyless entry remotes and see why so many customers trust Keyless2Go.

  • Certified Installer Network

    Finding a trusted professional to program your new keyless entry remote has never been easier. Keyless2Go has partnered with certified locksmiths across the country to provide you with expert installation and programming services. Simply purchase your key and use our easy-to-use locator to find a certified locksmith near you.