If you want to ask a question on Moto G privately, or want to leave feedback/give suggestions, please use this form to leave your message. We will try to answer you as early as possible.
If you want to find how-to guides, you may check Moto G how-to guides page.
The Moto G user manual page has the official user guide for Moto G in different languages. You can download them (PDF) to your own devices.
You are also welcome to start a discussion in the Moto G World, a public forum for Moto G.