Quick answer

The 2026 OPTIQ digital key is paired by signing in to the OnStar account in myCadillac and selecting Controls > Keys; a compatible phone can then support passive entry, starting and Wallet remote commands.

Before you start

Check that your vehicle has it.

Availability

Cadillac lists Digital Key with NFC key card as standard on 2026 OPTIQ Luxury and Sport and included on Premium Luxury/Premium Sport; device compatibility, accepted OnStar terms and regional service are required.

Required equipment / service
OPTIQ Luxury, Premium Luxury, Sport and Premium Sport with standard Digital Key, Digital Key
Compatibility check

Does the documented scope match your car?

This check combines the verified year, any source-supported powertrain scope, source-named trim/package and required equipment. It does not read a VIN or factory build record.

Source-named equipment or service
  • OPTIQ Luxury, Premium Luxury, Sport and Premium Sport with standard Digital Key
  • Digital Key
Can you see the required control, menu or equipment on your vehicle?
Published availability and qualifications

Cadillac lists Digital Key with NFC key card as standard on 2026 OPTIQ Luxury and Sport and included on Premium Luxury/Premium Sport; device compatibility, accepted OnStar terms and regional service are required.

Visual orientation

Know what kind of control to look for.

This original category diagram is an orientation aid, not a picture of your exact trim. Use the written labels and your vehicle manual to identify the real control.

Digital key orientation diagram for Cadillac OPTIQ
Digital key orientationOriginal visual guide · controls vary by trim · not to scale
How to use it

Step by step.

  1. 01

    Open the myCadillac app and confirm the iPhone, Apple Watch or Android device is listed as compatible with Digital Key.

  2. 02

    Accept the OnStar terms, sign in to the vehicle's OnStar account in myCadillac and enable Bluetooth on the device.

  3. 03

    In the app, select Controls > Keys and follow every on-screen pairing prompt.

  4. 04

    Test passive lock/unlock and vehicle start with the paired device, while carrying the programmed NFC key card as a backup.

  5. 05

    To share access, use the device Wallet to invite up to three additional people; delete a key in Wallet or through an OnStar advisor.

!

Important limits

  • Only selected iPhone, Apple Watch and Android devices are compatible, and the official manual limits sharing to three additional people across eight total devices.
  • Do not place the NFC key card on the wireless charger because the card can be damaged.
If it does not work

Quick checks.

  • ✓If Digital Key is not detected, charge the phone, toggle Bluetooth, update its operating system and hold it away from your body toward the vehicle.
  • ✓If pairing is unavailable, verify OnStar terms were accepted and the correct vehicle account is signed in.
Owner feedback

What happened on your vehicle?

Your response is stored on this device. If you separately allow analytics, a non-account-linked guide/result event may also be measured. No VIN or personal information is requested.

Primary evidence

2026 Cadillac OPTIQ Owner's Manual — Digital Key

Relevant section or page: 16-17. We use the written official source to determine the steps and applicability shown above.

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Editorial record

Reviewed with a visible trail.

Scope and steps were checked by Car Cheat Codes Editorial Review. A guide is narrowed or corrected when the source does not support a broader claim.

Published
Last modified
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Guide change history
  • Initial verified publication.