A Tiny Feature With a Big Purpose ✨
You do it without thinking every time you get into a car:
Pull the seat belt across your body.
Click it into place.
Drive off.
But have you ever noticed the small button near the top of the shoulder strap—right where the belt meets the door frame?
It isn’t broken.
It isn’t loose.
And it definitely isn’t decorative.
That tiny button is actually an important safety feature—one most drivers use daily without knowing what it’s for.
Let’s break down what it really does, why it matters, and how to use it correctly.
Because some of the smartest car innovations aren’t flashy.
They’re quietly built in—right by your shoulder.
What Is That Button Called?
Officially, it’s known as the seat belt height adjuster release. You might also hear it called:
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The seat belt slider button
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The shoulder anchor release
-
“That thing that moves the belt up and down”
You’ll find it at the top of the seat belt on the B-pillar, near the door.
What It Actually Does ✅
Pressing this button lets you adjust the height of the seat belt’s upper anchor, allowing the shoulder strap to sit properly across your chest.
Why This Matters
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Belt rubbing your neck or throat?
Lower it for comfort. -
Belt slipping off your shoulder?
Raise it to stay secure. -
Too tall or too short for the default position?
Adjust it to fit your body.
Seat belts aren’t one-size-fits-all—and this feature helps ensure proper fit for different body types.
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