Question 1

Are you licensed and insured to work on GMC vehicles in Del Mar?

Accepted Answer

Yes. EZ Car Keyz holds a California BSIS locksmith license (LCO #6792) and carries full liability insurance. For a 2010 GMC Terrain, the key programming goes through the OBD port with GM-compatible diagnostic equipment. The security access sequence involves a timed countdown built into the vehicle's security system, and you need the right tools and access to get through it correctly. We have over 100,000 followers across YouTube and TikTok where you can watch us do this kind of work on real vehicles. That's a pretty easy way to vet whether someone actually knows what they're doing before you call.

Question 2

How do I know you're a legitimate locksmith and not a scam operation?

Accepted Answer

The pattern with scam locksmiths is consistent: a low number quoted over the phone, then stalling on site, then a claim they can't complete the job while still charging a call fee. Red flags GMC owners flag on forums include listings with no physical address, no reviews with any detail, and generic business names that could be anywhere.

Here's what we do differently. We give you a real estimate over the phone for your specific vehicle before we show up. We explain the process. We're on YouTube and TikTok with actual footage of real jobs so you can see exactly how we work. A real locksmith doesn't have anything to hide about how the work gets done.

Question 3

Will a replacement remote flip key work exactly like the original on my 2010 Terrain?

Accepted Answer

Yes. When the key is programmed correctly to your vehicle, the transponder in the blade communicates with the immobilizer and the remote head communicates with the body control module, same as the factory key did. The car starts, the remote buttons work, and the doors respond normally.

One thing to know: the 2010 Terrain is a remote flip key vehicle with an ignition cylinder. There is no proximity entry and no push-button start on this setup. The blade goes in the ignition. We test every function on site before we leave -- start, lock, unlock, and trunk release -- so you're not finding out something is off after we're gone.

Question 4

I bought a replacement fob online for my 2010 Terrain. Can I program it myself?

Accepted Answer

The remote functions on the 2010 Terrain can sometimes be synced through an onboard sequence -- ignition cycling routines exist for some GM remote fobs of this era and owners on forums have had mixed results with them depending on how many remotes are already programmed to the vehicle and whether the procedure completes cleanly. But the transponder side of the blade is a separate matter entirely. That part requires diagnostic equipment. So even if you get the remote buttons working through a self-sync, if the blade hasn't been cut and the transponder hasn't been enrolled, the car won't start. Buying the fob online is fine. You'll still need someone with the right tools to handle the transponder programming.

Question 5

My 2010 Terrain starts fine but the remote buttons stopped working. Do I need a whole new key?

Accepted Answer

Not necessarily. If the blade starts the car, the transponder is intact. Dead remote buttons on a flip key are usually the CR2032 -- swap it first. If a fresh battery doesn't bring it back, the fob head may have failed or the contacts inside the housing have corroded or cracked. Sometimes it's just a worn-out rubber button pad. A replacement fob shell with a transferred transponder blade can fix it without reprogramming anything. If the new fob head is a different unit entirely, then yes, it needs to be paired to the vehicle. We can sort out which situation you're in when we look at it.

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