What year ranges does this Cadillac CT6-V Key Fob guide cover?

This Cadillac CT6-V Key Fob guide is limited to the source-backed year cluster: 2019.

Does this Cadillac CT6-V Key Fob guide program only keyless entry, or also start authorization?

This Cadillac CT6-V Key Fob guide describes the on-vehicle transmitter learning procedure driven by DIC prompts and ENGINE START/STOP; it does not provide scan-tool programming steps.

What should be done if the Cadillac CT6-V Key Fob steps do not work?

If the expected DIC prompts do not appear, stop and verify timing, transmitter placement in the transmitter pocket, and prerequisites instead of adding undocumented steps.

When is it reasonable to switch from DIY learning to professional help for a Cadillac CT6-V Key Fob?

Professional help is appropriate when learn mode cannot be entered with the documented timing step, DIC prompts do not match the expected sequence, or the erase-and-relearn consequence creates unacceptable risk.

Can a replacement transmitter still need programming for a Cadillac CT6-V Key Fob?

Yes. A replacement transmitter typically needs to be learned to the vehicle using the documented procedure; compatibility and condition still matter.

Cadillac CT6-V Key Fob Programming by Year

Can you program a CT6-V fob without the dealer? For most years, yes. Pick your year for the route and best next step.

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Find your year

Year	DIY onboard?	How it programs	Working fob?	Erase risk	Confidence	Best next step
2019	Yes	Yes - onboard relearn	Yes (1 working)	Yes	High	Follow the steps below

Cadillac CT6-V key types & programming facts

The 2019 Cadillac CT6-V uses a smart/proximity key system rather than a traditional cut-and-turn mechanical key remote. Available programming information for this model is presented as onboard key programming, but the sources provided do not include step-by-step procedures, so only the existence of an onboard route can be stated here.

Key types used on the CT6-V:

smart/proximity push-to-start key fob (2019 (USA/Canada market, CT6-V))

Common fob FCC IDs: HYQ2EB — check the back of your fob; we confirm the exact variant on site.

2019 Cadillac CT6-V

Exact steps source-verified for this year/equipment

Route verified as onboard programming (no dealer needed). Steps below are source-verified for this year/equipment path.

Show the programming methods (15 steps)

Programming with Recognized Transmitters — prerequisites and setup

Programming step

1 Requirement: Two recognized transmitters must be available

Programming step

2 Vehicle condition: Vehicle must be off

Programming step

3 Items required: All transmitters (currently recognized and new) must be present

Remove the key

4 Initial action: Remove vehicle key from the recognized transmitter

Programming step

5 Placement: Place the two recognized transmitters in the cupholder

Programming with Recognized Transmitters — procedure

Remove the key

1 Door lock cylinder: Remove key lock cylinder cap on driver door handle and insert vehicle key

Turn ignition to ON

2 DIC prompt: Turn key counterclockwise to unlock position five times within 10 seconds; DIC displays READY FOR REMOTE #2, 3, 4, ETC.

Programming step

3 New transmitter placement: Place new transmitter in transmitter pocket in center console storage area

Press / hold a fob button

4 Learning action: Press ENGINE START/STOP; DIC shows when transmitter is learned and ready for next

Press / hold a fob button

5 Exit programming: Press and hold ENGINE START/STOP for approximately 12 seconds after programming all transmitters

Programming without Recognized Transmitters — step sequence and completion

Insert the key

1 DIC sequence start: Insert key, turn counterclockwise to unlock position five times within 10 seconds; DIC displays REMOTE LEARN PENDING, PLEASE WAIT

Hold fob to START button

2 Timing loop: Wait 10 minutes for DIC to display PRESS ENGINE START BUTTON TO LEARN, then press ENGINE START/STOP; repeat this press-and-wait two additional times

Programming step

3 Consequence after third repeat: All previously known transmitters will no longer work; DIC shows READY FOR REMOTE #1

Press LOCK + UNLOCK

4 Learning each transmitter: Place new transmitter in transmitter pocket, press ENGINE START/STOP, remove transmitter and press unlock or lock; repeat for additional transmitters

Press / hold a fob button

5 Exit and final step: After programming all transmitters, press and hold ENGINE START/STOP for approximately 12 seconds to exit programming mode and return vehicle key back into the transmitter

Keys & fobs that fit the 2019 CT6-V

Strattec Smart Key Fob (FCC ID HYQ2EB)Smart KeyView fob →

For the 2019 CT6-V: CT6-V key replacement & all compatible fobs →

How we validate this guide

Year coverage comes from our consolidated vehicle programming dataset. Route-level programming status is reviewed against internal route sheets and available manufacturer, security-access, and professional tool references. Exact button sequences are marked source-verified only when we have year/equipment-specific support; where a year is labeled “route verified, steps vary,” we confirm the exact fob, trim, and prompts before programming. Reviewed for route and safety by Mohammad H. Abdelhadi, ALOA-Certified Master Locksmith.

Year	Route status	Exact steps
2019	Route verified	Source-verified

Common questions

What type of key does a 2019 Cadillac CT6-V use?

A smart/proximity push-to-start key fob is listed for the 2019 CT6-V.

What FCC ID is associated with the 2019 Cadillac CT6-V key fob?

HYQ2EB is listed for the 2019 Cadillac CT6 smart key fob and CT6 application coverage includes 2019 CT6.

Can the 2019 Cadillac CT6-V be programmed onboard?

Yes. The provided programming source lists an onboard programming route for the 2019 CT6-V, but it does not show the procedure here.

Can you program a CT6-V key fob without going to the dealership?

For most years, yes - the route is onboard relearn or an OBD tool, both of which a mobile locksmith handles at your location.

Does this program the remote only, or the transponder key too?

It depends on your key type. Tell us your FCC ID and we will confirm.

What if my year says professional programming required?

Those years need a programmer or security access; we bring the tool to you and program it on site.

How much does it cost?

It depends on year, key type, and whether you have a working key. Call (833) 439-8636 for a firm price before we dispatch.

Need your CT6-V fob programmed? We come to you, 24/7.

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