Question 1

Are you licensed and insured to work on Cadillac vehicles?

Accepted Answer

Yes. EZ Car Keyz is licensed through the California Bureau of Security and Investigative Services and carries full insurance. We also hold current credentials for accessing manufacturer security data on late-model GM vehicles, which matters on a 2022 CT5. The vehicle security system on this generation requires authorized access to the security database to register a new key. A locksmith without that access will either fail the job outright or, worse, get halfway through and leave the system in a fault state like the scenario in the story above. When you call, ask any locksmith directly whether they have current GM security data access. It's a fair question and a real one.

Question 2

How do I know you are not a scam locksmith?

Accepted Answer

Cadillac owners get targeted specifically because of the badge. The pattern is always the same: low number quoted over the phone, then a new number once they're standing next to your car with tools already out. One version that comes up with luxury vehicles is the claim that the security system is "dealer-only" and the locksmith is doing you a favor by even attempting it, which is how the price doubles.

Here's how you verify us before we show up. Look up EZ Car Keyz. We have a verifiable business name, real reviews, and over 100,000 followers across our YouTube and TikTok channels showing the actual work being done on actual cars. We give a specific estimate for your 2022 CT5 over the phone and explain the process before we arrive. If a locksmith won't tell you the price until they're on-site, that's your answer.

Question 3

Will the replacement key work exactly like the original?

Accepted Answer

Yes. A properly programmed replacement fob for your CT5 communicates with the vehicle security system the same way the factory key does. The engine starts, lock and unlock work, and all five buttons function as they should.

The "eBay fob that almost works" situation is real. One owner in a CT5 forum thread described a fob that would lock and unlock but the start function was intermittent, traced back to a counterfeit unit that didn't meet the spec for the transponder chip inside. We test every single function before we hand you the key and before we close out the job. If something is off, we find it on-site, not after we've left.

Question 4

My CT5 shows a key-not-detected warning but the fob battery is new. What's actually going on?

Accepted Answer

This comes up more than you'd think on these fobs. A few things to check first: the CR2450 has to be seated flush and making full contact with both terminals. If the battery was pried out instead of pressed out properly, the contact tabs can get a slight bend that looks fine but isn't. Reseat it firmly and retest.

If that doesn't change anything, the next question is whether the warning is consistent or intermittent. Consistent no-detect with a known-good battery, where the push-button start doesn't respond at all, usually points to a fob hardware issue or a registration problem in the module. Intermittent warnings that come and go, especially around certain seats or entry angles, can point to the antenna that receives the fob signal rather than the fob itself.

Either way, this is diagnosable on-site. I've seen both on CT5s. It's not always the fob.

Question 5

I have one working key for my CT5. Can I get a spare made before I'm in a real bind?

Accepted Answer

Yes, and it's a much easier job than all-keys-lost. Adding a spare while you still have a working key takes less time and avoids the full module reset procedure that a lost-all situation requires.

One thing CT5 owners run into: the vehicle security system on this generation has a limit on how many fobs can be registered at once, and adding a new one sometimes requires confirming the existing key is present during the procedure. That's not a problem when you have the original in hand. It becomes the whole problem when you don't.

Getting a spare made in Saticoy or anywhere in Ventura is a straightforward call. We come to you, bring the right programming equipment, and register the new fob while your existing key is present. Takes about 30 minutes on a clean add-a-key job.

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