With every side door closed, start automatic liftgate closing and send a lock command from the key or smart-entry sensor while it is moving; the liftgate locks after it fully latches.
Check that your vehicle has it.
Verified for 2025 U.S. Grand Highlander gasoline vehicles equipped with a power back door. This is the owner's-manual reservation-lock function, not a guarantee that an obstructed door will lock.
- Required equipment / service
- Power back door and wireless remote or smart key locking, Gasoline equipped with power back door and smart key system
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 U.S. Grand Highlander gasoline vehicles equipped with a power back door. This is the owner's-manual reservation-lock function, not a guarantee that an obstructed door will lock.
- 2025 Grand Highlander gasoline models with power back door
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
Remove the electronic key from the cargo area and close all side doors.
- 02
Start the power back door's automatic closing operation.
- 03
While the liftgate is closing, lock the vehicle with the wireless remote or the smart-entry lock sensor.
- 04
Confirm the side doors lock and verify that the liftgate finishes closing and locks after fully latching.
Important limits
- If jam protection operates or the liftgate does not fully close, the reservation is canceled and the doors can unlock.
- The electronic key can be locked in the cargo area, so remove it before starting the sequence.
Quick checks.
- ✓If the vehicle unlocks again, inspect the liftgate opening for cargo or another obstruction and repeat only after it can latch fully.
- ✓If no lock reservation is accepted, verify that all side doors are fully closed and send the lock command while the powered close is in progress.
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 Toyota Grand Highlander Owner's Manual — Power Back Door Reservation Lock
Relevant section or page: Pages 127–128. 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.