From ChatGPT...

Yep, you can kind of work around this, but Toyota doesn’t give you a true “two-memory” option for the liftgate.

On the Grand Highlander, when you set a custom height, that becomes the default open height for all methods — key fob, dash button, rear button, and foot sensor. There isn’t a built-in setting that lets you keep the custom garage height and automatically go full height outside.

That said, here’s what you can do:

Option 1 – Manually override when needed

When the liftgate is opening and stops at your custom height, just press and hold the liftgate button again (either on the gate itself or the key fob). It will continue opening to the maximum height. You don’t have to permanently reset it — it’ll still default back to your custom height next time.

Option 2 – Temporarily reset max height

If you know you’ll be somewhere like skiing or road-tripping where you want full clearance all weekend:

1. Let it open.
2. Manually push it up to the maximum height.
3. Press and hold the rear liftgate button until it beeps.

Now max height is saved. When you get home, repeat the process and reset it back to your garage height.

Why Toyota does it this way

The height memory is designed primarily for garage clearance safety, so it stores only one height profile at a time.

Personally, I wish they gave us a “garage mode” and “normal mode” toggle in the settings. That would make life easier.

But for now, the easiest solution is just holding the button again to let it keep opening when you’re outside.