Lightbox is not working in RD-Autos PDF Print E-mail
We are receiving lots of questions about the lightbox, as templates are getting more and more complex the Mootools can be conflicting with your template. The solution is very easy. The next fix will help you're lightbox if you're using AJAX (mootools) in your template.

Here could be your fix:

Open view: ../components/com_rdautos/view/detail/tmpl/default.php

Remove the next line in the detail page of RD-Auto's
<script type="text/javascript" language="javascript"> src="/media/system/js/mootools.js"></script>

Save your file and upload it again.