1. Introduction
The OTTOCAST MINI Wireless Adapter is a compact and efficient device designed to convert your car's existing wired CarPlay or wired Android Auto system into a wireless one. This plug-and-play adapter enhances your in-car experience by providing seamless wireless connectivity for navigation, music, calls, and voice assistant features, all while retaining your car's original functionalities.
Important Note: This adapter is only compatible with cars that have factory-installed wired CarPlay or wired Android Auto. It cannot add CarPlay or Android Auto functionality to vehicles that do not originally support it.
2. Product Overview
The OTTOCAST MINI adapter is designed for convenience and performance. Its USB stick size ensures it fits discreetly in your car, offering a clean and integrated look. It features a newly upgraded A7S chip for smooth operation and supports both USB Type-A and USB Type-C connections.



Package Contents:
- Wireless adapter (1 unit)
- 90° USB Plug Adapter (Type-A to A) (1 unit)
- USB plug adapter (Type-A to C) (1 unit)
- User manual (1 unit)

3. Specifications
| Feature | Detail |
|---|---|
| Brand Name | OTTOCAST |
| Model | Mini adapter |
| Operating System | Linux |
| CPU Processor | single-core ARM Cortex A7 900MHz |
| Memory | 64 MB RAM + 16MB ROM |
| Wi-Fi | 802.11 a/b/g/n 2.4 GHz+5 GHz |
| Bluetooth | BT 5.0 |
| Power Input | 5V |
| Operating Temperature | -20° ~ 70° |
| Installation | Plug and Play |
| Package Length | 13 cm |
| Package Width | 12 cm |
| Package Height | 4 cm |
| Package Weight | 0.2 kg |
4. Compatibility
Car Compatibility:
- Only for cars built with original wired CarPlay or wired Android Auto.
- Supports over 98% of car models with factory wired CarPlay/Android Auto, including but not limited to: Audi, Mercedes-Benz, Chevrolet, Ford, Porsche, Volvo, Volkswagen, Kia, Lexus, Hyundai, Honda, Toyota, Mazda, Land Rover, Jeep, Subaru.
Incompatible Cars: NOT for BMW, NOT for TSL (Tesla).
Phone Compatibility:
- For iPhone 6 and above (running iOS 10.0+).
- For Android phones running Android 11 and above (including some Samsung and Google phones).
Incompatible Phones: NOT for HUAWEI (including Honor), NOT for Xiaomi Redmi.


5. Setup Instructions
Follow these simple steps to set up your OTTOCAST MINI Wireless Adapter:
- Plug In: Insert the OTTOCAST MINI adapter into your car's USB port. Use the provided 90° USB Plug Adapter (Type-A to A) or USB plug adapter (Type-A to C) if needed for your car's USB port type.
- Enable Wireless Functions: On your smartphone, turn on both Wi-Fi and Bluetooth.
- Pair Device: Go to your phone's Bluetooth settings and search for available devices. Pair with the device named "CAR2-XXXX" (the exact name may vary slightly).
- Connect: Once paired, your phone will automatically connect to use wireless Android Auto or wireless CarPlay.

6. Operating Instructions
Automatic Connection:
After the initial setup, the adapter will automatically connect to your paired smartphone within 5-10 seconds of starting your car, providing a seamless experience every time you drive.

Core Functions:
Once connected, you can access a variety of features directly on your car's infotainment screen:
- Mainstream Map Applications: Use your preferred navigation apps for real-time directions.
- Make and Receive Calls: Handle phone calls hands-free.
- Siri/Google Control: Utilize voice commands for various tasks.
- Online Music Streaming: Enjoy your favorite music and podcasts.


Retaining Original Car Functions:
The OTTOCAST MINI adapter ensures that all original car functions remain accessible and operational:
- Touch Screen Control: Interact with your car's display as usual.
- Steering Wheel Control: Use your steering wheel buttons to manage media and calls.
- Voice Assistant Control: Utilize your car's factory microphone for Siri or Google Assistant commands.

One-Click Disconnection:
For scenarios involving shared vehicles or switching between multiple devices, the adapter features a smart button for instant disconnection. Simply press the button on the adapter to disconnect the current device, making it ready for the next connection request.

7. Maintenance
Online Firmware Upgrades:
The OTTOCAST MINI adapter supports continuous online (OTA) firmware upgrades. This ensures that your device always has the latest features, improvements, and bug fixes. Regularly check for updates to maintain optimal performance and compatibility.

8. Troubleshooting
- No Connection: Ensure your car has factory-installed wired CarPlay or wired Android Auto. The adapter does not add these features to unsupported vehicles.
- System Transfer: The product cannot transfer across systems. Wired CarPlay converts to wireless CarPlay, and wired Android Auto converts to wireless Android Auto. It cannot convert CarPlay to Android Auto or vice-versa.
- Phone Compatibility Issues: Verify your phone meets the minimum requirements (iPhone 6/iOS 10+ or Android 11+). Note that HUAWEI (including Honor) and Xiaomi Redmi phones are not supported.
- Car Compatibility Issues: Confirm your car is not an incompatible model (e.g., BMW, Tesla).
- Intermittent Connection: Ensure your phone's Wi-Fi and Bluetooth are stable and not interfered with by other devices. Try restarting both your phone and the car's infotainment system.
- Slow Connection: While the adapter is designed for quick connection, environmental factors or phone settings might affect speed. Ensure your phone's software is up to date.
9. User Tips
- Verify Compatibility First: Before purchasing or using, always double-check that both your car and phone are listed as compatible. This is the most common reason for setup issues.
- Wired to Wireless Only: Remember that this adapter converts an *existing wired* connection to wireless. It does not enable CarPlay or Android Auto in cars that lack the wired version.
- Keep Firmware Updated: Regularly check for and install OTA updates to ensure the best performance and compatibility with new phone and car software versions.
- Quick Disconnect for Multiple Users: Utilize the one-click disconnect button when switching between different users or phones in the same vehicle for a smooth transition.
10. Warranty and Support
For any questions, connection issues, or technical support, please utilize the OTTOCAST AI Services. Due to potential time zone differences, contacting the 24/7 OTTOCAST AI Assistant is recommended as a first step. If your issue remains unresolved, you can then reach out via the AliExpress Human Support Chat Window for further assistance.
