Hello,
I saw the screenshot you attached.
1) To change the signs in the accordion tabs you need to target the following class and set the content according to your needs.
.woodmart-accordion-title::after {
content: "\f124";
font-family:"woodmart-font";
}
You can set the content and font-family according to your needs.
2) By default, WooCommerce opens the first tab when the page is loaded. You can try to close it manually right after page loading by adding this code snippet to the Custom JS section in Theme Settings:
setTimeout(function() {
var $tab = jQuery('.woodmart-tab-wrapper').find('a.active');
$tab.siblings('.wc-tab').hide();
$tab.removeClass('active');
}, 10);
Best Regards.