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Need Help? Contact Tesstudio
Our support team is available via WhatsApp and text message at:
+1 (626) 412-7352
+86 191 2063 1131
+86 190 2201 1181
We’re here to help.
— Tesstudio Support Team
Tesstudio Offline Technical Support Store(Installation+Modified)
Located in : 14451 Franklin Ave, Tustin, CA 92780, USA
Technical Support: +1(657)543-9876 or
+1 (657)565-1007
(note:This phone number provides technical support only.For other services, please contact:
Email: support@tesstudio.com
WhatsApp:+17143179647)
Technical Support Time : Mon-Fri 8:30am-5:30pm
We offer a one-year warranty ( We provide one year of after-sales service for product issues not caused by human damage )
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Enjoy free shipping on all orders! In-stock items are processed and dispatched within 1–2 business days, with domestic US delivery typically taking 3–7 business days.
For pre-orders or temporarily out-of-stock items, shipping will follow the timeframe provided on the product page.
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Product Installation & Review
Product Video
Upgraded Enlarged Rear OBD Cover for Tesla Model 3/Y—Upgraded&Enlarged for Hassle-Free Installation
This upgraded rear OBD cover features an enlarged interior space, allowing you to easily install OBD modules, diagnostic devices, or wiring accessories without struggling to close the cover. Say goodbye to the problem of the original factory cover not fitting after installation.
Feature:
- Solve Installation Issues:The Upgraded Enlarged Rear OBD Cover for Tesla Model 3/Y innovative extension design addresses two key issues: it solves the problem of resetting the original cover and neatly hides power cables. A practical solution that enhances both the look and functionality of your rear seat area in one simple upgrade.
- Hide Power Cables:Tired of tangled wires cluttering your car’s interior? This extension shell not only solves the fitment problem but also hides multiple power cables at once. It keeps your car’s interior neat and organized, eliminating the mess of exposed wires for a cleaner, more aesthetic space.
- High-Quality Material:Crafted from durable ABS plastic, this extension shell is built to last. Its impact resistance and strong durability protect it from everyday wear and tear. Even with long-term use, it remains resistant to deformation, ensuring your car stays looking great.
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Does Not Affect Original Appearance or Space:Once installed, the extension shell seamlessly blends into your vehicle’s original design. It maintains the sleek look of your M3MY while not taking up any additional space. The rear seat area remains spacious and comfortable, so you won’t sacrifice functionality for style.


Q&A
We provide assistance through email, live chat, and detailed installation guides. Additionally, we offer step-by-step tutorial videos featuring influencers to help you with the process.
We offer a one-year warranty (two years for some products).
Yes, the product can be removed after installation without affecting the original wiring harness of the vehicle.
We offer free returns and exchanges if there are any quality issues with the product upon receipt by the customer.







