It is perfectly safe to continue to carhistory.com.au via this page. This page is only meant to remind the webmaster that they need to update their website/App.
You are using a LinkMyDeals Smartlink for a store that you are not currently subscribed for. So please log into your LinkMyDeals account to resubscribe to carhistory.com.au, or purchase a SmartLink Add-On, or remove Smartlink to carhistory.com.au from your website/App.