Press the brake and ignition switch to call up the code screen, enter the backup passcode and Return within 30 seconds, then press the brake and ignition switch within 20 seconds of validation.
Check that your vehicle has it.
Verified for 2025 Nautilus gasoline and hybrid vehicles that previously completed Phone as a Key setup and saved a backup start passcode.
- Required equipment / service
- active Phone as a Key and saved backup start passcode
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.
Published availability and qualifications
Verified for 2025 Nautilus gasoline and hybrid vehicles that previously completed Phone as a Key setup and saved a backup start passcode.
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.
Step by step.
- 01
Confirm at least one Phone as a Key remains active in the vehicle's setup.
- 02
Press the brake pedal and push-button ignition switch; when prompted, enter the backup passcode on the touchscreen.
- 03
Press Return within 30 seconds and wait for the validation message.
- 04
Within 20 seconds of validation, press the brake and ignition switch again to start the vehicle.
Important limits
- The saved code works only while at least one Phone as a Key remains active.
- The input screen times out after 30 seconds.
- Five combined incorrect backup, reset or valet-code attempts cause a temporary lockout.
Quick checks.
- ✓If the code screen does not appear, press the brake and ignition switch again.
- ✓If validation succeeds but the vehicle does not start, repeat the sequence and meet the 20-second start window.
- ✓After a lockout, wait for the system to permit passcode entry before trying again.
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.
2025 Lincoln Nautilus Owner's Manual — Using the Backup Start Passcode
Relevant section or page: 77. We use the written official source to determine the steps and applicability shown above.
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
- Source checked
Guide change history
- Initial verified publication.