Cadillac over-the-air update 663.30
What it saysDigital key will be available in the myCadillac mobile app a few minutes after the update completes. NHTSA’s full summary ↓
Cadillac filed this with NHTSA as an over-the-air update dated Sep 11, 2026, received Jul 30, 2026 — 4 documents under this number. It names 5 model years (2025–2027). An over-the-air update is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communication• Digital key will be available in the myCadillac mobile app a few minutes after the update completes. You can use your smartphone or smartwatch to lock, unlock, and drive your vehicle without your key fob. • Digital key only requires an active OnStar account, no paid plan is needed. If digital key is not available within 24 hours after the update completes, contact OnStar. For more information, visit cadillac.com/support and search “digital key.”
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 663.30 | Over-the-air update | Sep 11, 2026 | 11037767 | PDF, 197 KB |
| 663.30 | Over-the-air update | Sep 11, 2026 | 11037766 | PDF, 194 KB |
| 663.30 | Over-the-air update | Sep 11, 2026 | 11037760 | PDF, 197 KB |
| 663.30 | Over-the-air update | Jul 20, 2026 | 11035346 | PDF, 189 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 5 model years this bulletin names have filed 95 complaints with NHTSA since 2015.
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.

Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Cadillac, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Cadillac 663.30 a recall?
No. A over-the-air update is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the 663.30 repair free?
A over-the-air update is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does 663.30 cover?
The manufacturer filed it against 5 model years: 2026 Cadillac Celestiq, 2025 Cadillac Celestiq, 2026 Cadillac Escalade, 2025 Cadillac Escalade, 2027 Cadillac Lyriq. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.