Contato
Email: Support@onecarstereo.com
We will respond to your inquiry within 2 business days.
Before Contacting Us
To help us assist you as quickly and accurately as possible, please provide the necessary information when submitting your inquiry.
Providing the relevant information, photos, or videos in advance will help us better understand your situation and provide you with a faster and more appropriate response.
Pre-Purchase Inquiries
If you are contacting us before purchasing a product, please provide the following information:
1. Vehicle Information
・Vehicle make and model
・Model year
・Whether your vehicle supports wired CarPlay or wired Android Auto
2. Product You Are Considering
・Product name or model number
3. Your Question or Request
・Please let us know what you would like to know or what features you are looking for.
Post-Purchase Support
If you are contacting us after purchasing a product, please provide the following information:
1. Order Information
・Order number
・Or the email address used when placing your order
2. Purchased Product
・Product name or model number
3. Issue You Are Experiencing
・Please let us know what issue you are experiencing.
4. Photos or Videos Showing the Issue
・If available, please attach photos or a short video showing the issue.
Photos or videos can help us understand the situation more accurately and provide you with a smoother and more effective solution.
※ For customers using HE PRO / HE PRO Ultra
If your inquiry is regarding HE PRO series or Ultra series, we recommend providing the device version information as well.
You can check the version information on the device by going to:
Settings → Device → Device Version Number
Please provide the version number displayed under “Device Version.”