Recently, Google has announced some changes regarding structured data especially relating to food recipes and cars. It is important to update structured data whenever there is such a change, to avoid any penalties from Google.
Car
is not supported automatically as a subtype of Product. So for now, you will need to include both Car and Product types if you would like to attach ratings to it and be eligible for the Search feature. For example, this is how to do schema markup for cars belowA complete guide is available here for Car Schema data
Search Console has changed the way that it evaluates and reports errors in Breadcrumbs and HowTo structured data. As a result, you may see changes in the number of Breadcrumbs and HowTo entities and issues reported for your property, as well as a change in severity of some issues from errors to warnings.
If you are a beginner in implementing structured data for SEO, I would recommend to go through following resource to brush up your skills.
This is one of the most refined and concise documentation on how to add a structure data on your website. This will give a step by step instructions to implement structured data. Click here to know more
If you are not familiar with coding a structured data, there are schema markup generators available to quickly generate code and implement on website
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