Added backButtonAccessibilityText to vehicle-style page

src/layouts/vehicle-style/vehicle-style.vue

@@ -7,6 +7,7 @@
                 <siteSubHeader
                     cmsWidgetName="SiteSubHeaderWidget"
                     :hasBackButton="true"
+                    :backButtonAccessibleText="backButtonAccessibleText"
                     @click-event="backButtonAction" />
                 <div class="fade-on-route-transition">
                     <styleQuestion
@@ -92,5 +93,12 @@ export default {
         siteSubHeader,
         vehicleBanner,
     },
+
+    computed: {
+        backButtonAccessibleText() 
+        {
+            return this.getCmsContent(this.cmsWidgetName, "BackButtonAccessibleText")
+        }
+    }
 };
 </script>