2007 Cadillac STS
Trusted Mobile Key Service in Ventura County
Licensed & Insured | Mobile Key Experts
Certified pro service, 10% off
2007 Cadillac STS
Key Options
Licensed, insured, and backed by 1,000+ five-star reviews
All Cadillac STS Keys Lost? Compare Options
Lost all your keys? Compare your options
2007 Cadillac STS Smart key Replacement - Fast, Affordable & Professional
When a 2007 Cadillac STS key is done wrong, the car fights it. The engine cranks but cuts fuel after two seconds. The push-to-start works for a few days then randomly shows "key not detected." Or the fob locks the doors but won't trigger the ignition. GM's body control module runs a deeper verification over multiple drive cycles, and a close-but-wrong chip will pass the first test but fail the second.
A customer at the tailor shop in Simi Valley had a key from another locksmith that started failing after about a week. Her STS would start fine in the morning but by afternoon the push-to-start would intermittently refuse. She thought the car had an electrical problem, but it didn't. The key was the problem.
The other locksmith had programmed the wrong chip type. I used my VVDI2 to read the bad key's chip and confirmed the mismatch, then programmed a new fob with the correct chip matched to her FCC ID M3N-65981403. I also replaced the weak CR2032 battery that was adding to the detection issues.
The replacement has been working for months and cost her 306. Dealer would have charged 563. The difference between a key that works and a key that works for a week is the chip generation inside it.
Trust the Pros for Your Cadillac STS Key
BSIS licensed, NASTF certified, Google Guaranteed. Trusted by 1,000+ customers in Simi Valley, close to Oak Park area.
Saving You Money, One Key at a Time
Real work, real savings
Why Cadillac Customers Trust Us
Licensed, certified, and proven
“They responded instantly, showed up within an hour, and arrived exactly when they said they would. Made a copy and programmed a fob for my 2014 car with a worn ignition in about 15 minutes. The new key works perfectly and feels like a dealer key.”
“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”
“I lost my Honda Passport key and called EZ Car Keyz. He came out and made a new key in under five minutes. Legendary service.”
Related Cadillac Keys
Find keys for other vehicles
Did You Know?
Cadillac STS Key Service Areas
Fast response to every city we cover
Same-day service available in all listed cities
