The folding process requires you to pull up on the safety grip on the handle and also press the lever on the side of the handlebar while pressing down on the handle. (strollerdiva.com)
Buttons on each side of the handlebar may be pressed simultaneously to move the handlebar to a folded position. (austlen.com)
Next, slide stroller levers on each side of the handlebar frame upward (after lightly moving the metal button out of the way), then push the handlebar down to a folded position. (austlen.com)