1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Inefala Android 15 Car Radio. Designed specifically for the Toyota Prius C models from 2012 to 2014, this 9-inch HD touchscreen car stereo offers advanced features including Wireless CarPlay, Android Auto, GPS, WiFi, Bluetooth 5.0, 32-band DSP, FM/RDS radio, Steering Wheel Control (SWC) compatibility, and support for a backup camera. Please read this manual thoroughly before use to ensure proper functionality and safety.

Image: The Inefala Android 15 Car Radio with its 9-inch HD touchscreen integrated into a Toyota Prius C dashboard.
2. Safety Information
Always prioritize safety while operating your vehicle. Improper installation or use of this device can lead to accidents or injury. Adhere to the following guidelines:
- Professional Installation Recommended: For optimal performance and safety, professional installation by a qualified technician is highly recommended.
- Avoid Distractions: Do not operate the device or adjust settings that require significant attention while driving. Pull over to a safe location if complex interactions are necessary.
- Volume Control: Keep the audio volume at a level that allows you to hear external traffic sounds.
- Wiring: Ensure all wiring is correctly connected and secured to prevent short circuits or electrical hazards.
- Temperature: Avoid exposing the device to extreme temperatures or direct sunlight for prolonged periods.
3. Package Contents
Verify that all items are present in the package:
- 1 x Android Car Radio
- 2 x Power Cable
- 1 x GPS Antenna
- 1 x Backup Camera Input Cable
- 1 x RCA Cable
- 3 x USB Cable
- 1 x Accessories (various small parts)
- 2 x Mounting Bracket
- 1 x Installation Tool
- 1 x Instruction Manual (this document)
- 1 x External MIC
- 1 x Backup Camera
- 1 x Canbus

Image: Visual representation of the Inefala Android Car Radio and its complete set of included accessories and cables.
4. Product Overview & Key Features
The Inefala Android 15 Car Radio is an advanced infotainment system designed to upgrade your Toyota Prius C (2012-2014) with modern connectivity and entertainment options. It features a responsive 9-inch HD IPS touchscreen and runs on an 8-core CPU with 4GB RAM and 64GB ROM for smooth performance.
Key Features:
- Android 15 Operating System: Enjoy the latest Android features and app compatibility.
- 9-inch HD IPS Touchscreen: Offers clear visuals and responsive touch control with 1280x720P resolution and wide viewing angles.
- Wireless/Wired CarPlay & Android Auto: Seamlessly integrate your smartphone for navigation, music, calls, and messages.
- Mirror Link: Display your phone's screen directly on the car stereo.
- Built-in GPS Navigation: Supports offline maps and online navigation apps (e.g., Waze, Sygic).
- WiFi Connectivity: Access the internet, download apps, and stream content.
- Bluetooth 5.0: For hands-free calling and wireless audio streaming.
- 32-Band DSP (Digital Sound Processor): Customize your audio experience with precise equalization.
- FM/RDS Radio: Enjoy local radio stations with clear reception and preset options.
- Steering Wheel Control (SWC) Support: Retain control of essential functions directly from your steering wheel.
- Backup Camera Input: Enhance parking safety with included backup camera support.
- 59 UI Themes: Personalize your interface with a variety of desktop themes.
- Split-Screen Functionality: Run two applications simultaneously, such as navigation and music.

Image: The Android car touchscreen showing a grid of application icons, highlighting the smart features.
Video: A demonstration of various product functions including UI themes, CarPlay/Android Auto music and navigation, hands-free calling, dual-screen mode, FM/RDS radio, weather forecast, network radio, rear view camera, and DSP settings.
5. Setup and Installation
While the unit is designed for a specific vehicle, professional installation is recommended to ensure all connections are secure and functions operate correctly. The following steps outline general setup procedures.
5.1. Physical Installation
The unit comes with a vehicle-specific harness for plug-and-play installation. Refer to your vehicle's service manual or consult a professional for detailed dashboard disassembly and wiring instructions. Ensure all cables (power, GPS antenna, USB, RCA, backup camera, external MIC, Canbus) are correctly connected to their respective ports.

Image: A comparison showing the original Toyota Prius C dashboard before installation and the upgraded dashboard with the Inefala Android 15 Car Radio installed.
5.2. Initial Configuration
After physical installation, power on the unit and proceed with the initial software configuration. The following settings are crucial for optimal performance:
- Wi-Fi Connection:
To access online features and download apps, connect your device to a Wi-Fi network. Go to Settings > Network & Internet > Wi-Fi. Select your network and enter the password. On subsequent uses, you can connect with one click. (Refer to video: 0:05 - 0:34)
- Screen Brightness Adjustment:
Adjust the display brightness for day and night viewing. Navigate to Settings > Car Settings > Display > Brightness and use the sliders. You can also swipe down the status bar for quick adjustments. (Refer to video: 0:34 - 0:52)
- Language Settings:
Set your preferred language for the system interface. Go to More Settings > Language & input > Language Setting > Add a language and select your desired language. (Refer to video: 0:52 - 1:07)
- Time Settings:
Configure the date and time. Access More Settings > Date and time. It is recommended to select "Use GPS-provided time" for automatic synchronization. (Refer to video: 1:07 - 1:16)
- Touch Calibration (Five-Point Calibration):
If touch response is inaccurate, perform a touch calibration. Go to Factory Setup (password: 1234) > Touch Calibration. Follow the on-screen prompts to touch the indicated points. (Refer to video: 1:16 - 1:39)
- Key Learning (Knob Panel Button Learning):
If your vehicle has physical buttons on the radio panel, you can program them. Go to Factory Setup (password: 1234) > Knob Panel Button Learning. Press "Start", then select a function on the screen (e.g., "Power", "Home", "Volume+") and press the corresponding physical button on your car's panel. Repeat for all buttons. (Refer to video: 1:57 - 2:19)
- Steering Wheel Control Learning:
To enable steering wheel controls, go to Factory Setup (password: 1234) > Party Control Learning. Press "Clear" to reset, then press "Start". Select a function on the screen (e.g., "Mode", "Volume-") and press the corresponding button on your steering wheel. Repeat for all desired functions. (Refer to video: 2:19 - 2:41)
- Reverse Camera Format Selection:
Ensure your backup camera displays correctly. Go to Factory Setup (password: 1234) > Backcar Source Settings. Select the appropriate format (e.g., AHD 720P 25fps) based on your camera type. (Refer to video: 2:41 - 2:51)
- Car System Protocol Settings (Can Settings):
For proper integration with your vehicle's systems (e.g., displaying climate control, door status), configure the Canbus settings. Go to Factory Setup (password: 1234) > Can Settings. Select your vehicle's brand, model, year, and protocol. (Refer to video: 2:51 - 3:05)
6. Operating Instructions
6.1. User Interface and Navigation
- Home Screen: The main interface provides access to frequently used applications and widgets.
- UI Themes: Customize the look of your home screen by swiping down from the top and selecting "Change wallpaper" or navigating through the settings. There are 59 UI themes available. (Refer to video: 3:10 - 3:27)
- Split Screen: Utilize the split-screen feature to run two applications simultaneously, such as navigation and music playback.

Image: The car radio screen showcasing various customizable UI desktop themes.
6.2. Audio Settings (DSP & EQ)
The built-in 32-band DSP allows for precise audio customization. Access the DSP settings to adjust equalizer bands, sound field, and other audio enhancements. You can choose from preset modes (e.g., Pop, Rock, Jazz) or create custom settings. (Refer to video: 3:39 - 4:15)

Image: The DSP interface showing a 32-band equalizer for fine-tuning audio output.
6.3. FM/RDS Radio
Tune into your favorite FM radio stations. The RDS (Radio Data System) feature provides additional information like station name and song title where available. You can manually tune or use the auto-scan function to find and save up to 30 preset stations. (Refer to video: 3:27 - 3:39)
6.4. Bluetooth Connection
Connect your smartphone via Bluetooth 5.0 for hands-free calling and audio streaming. Go to Settings > Bluetooth, turn on Bluetooth on both devices, and pair them. Enter the PIN (default: 1234) if prompted. Once connected, you can make calls directly from the car radio and play music wirelessly. (Refer to video: 4:15 - 4:37)
6.5. Wireless CarPlay & Android Auto
Connect your iPhone or Android device wirelessly for an integrated experience. Ensure Bluetooth is connected first, then open the CarPlay or Android Auto application on the head unit. Follow the on-screen prompts to establish the connection. This allows access to navigation, music, messages, and voice assistants. (Refer to video: CarPlay 4:37 - 5:02, Android Auto 5:02 - 5:26)

Image: The car radio displaying the Wireless Apple CarPlay and Android Auto interfaces, showing phone integration features.
6.6. GPS Navigation
The unit supports both offline and online GPS navigation. Pre-installed offline maps ensure navigation even without an internet connection. You can also download and use popular online navigation apps via Wi-Fi. (Refer to image: GPS Navigation Image)

Image: The car radio screen showing GPS navigation routes and options for WiFi connectivity.
6.7. Video Playback
The unit supports video playback from various sources. An RCA cable can be used to connect external displays, such as headrest monitors, allowing passengers to enjoy videos. (Refer to A+ content image: Video Playback Image)

Image: The car radio screen showing video content, with an inset image of RCA cables, indicating support for connecting to external displays like headrest monitors.
6.8. Voice Control
Utilize voice commands for hands-free operation, enhancing driving intelligence and security. This feature allows you to control various functions without taking your hands off the steering wheel. (Refer to A+ content image: Voice Control Image)

Image: The Android car touchscreen displaying a voice control interface, emphasizing hands-free operation.
7. Maintenance
- Screen Cleaning: Use a soft, lint-free cloth to clean the touchscreen. Avoid abrasive cleaners or solvents.
- Software Updates: Periodically check for software updates through the system settings to ensure optimal performance and access to new features.
- Clear Memory: To optimize system performance, you can clear memory by swiping down from the top of the screen and tapping the optimize icon. (Refer to video: 3:05 - 3:10)
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power / Unit Not Turning On | Incorrect wiring; Blown fuse; Vehicle battery issue. | Check power connections and fuses. Ensure vehicle battery is charged. Consult a professional if unsure. |
| Poor Touchscreen Response / Inaccurate Touches | Touchscreen calibration needed; Software glitch. | Perform a Touch Calibration (Section 5.2). Restart the unit. |
| Bluetooth/CarPlay/Android Auto Connection Issues | Bluetooth not enabled; Device not paired; Software conflict. | Ensure Bluetooth is ON on both devices. Re-pair the device. Restart both the car radio and your phone. |
| Steering Wheel Controls Not Working | SWC learning not performed or incorrect; Canbus not configured. | Perform Steering Wheel Control Learning (Section 5.2). Verify Canbus settings. |
| Backup Camera Not Displaying | Incorrect camera format; Loose connection; Faulty camera. | Check Reverse Camera Format Selection (Section 5.2). Ensure camera wiring is secure. |
| Battery Drain When Car is Off | "1 day sleep" mode enabled. | Access system settings and disable the "1 day sleep" mode to prevent continuous power draw. |
| System Lag / Random Reboots | Too many apps running; Software issue; Insufficient power. | Clear memory (Section 7). Check for software updates. Ensure stable power supply. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Inefala |
| Vehicle Service Type | Toyota Prius C 2012-2014 |
| Screen Size | 9 Inches |
| Operating System | Android 15 (Compatible with iOS for CarPlay) |
| CPU | 8-Core |
| Memory (RAM) | 4GB |
| Storage (ROM) | 64GB |
| Display Type | LCD IPS Capacitive Touchscreen |
| Resolution | 1280x720P |
| Connectivity Technology | Bluetooth 5.0, USB, Wi-Fi |
| Audio Output Mode | Stereo with 32EQ DSP |
| Supported Navigation | GPS (Worldwide maps) |
| Human-Interface Input | Microphone, Touchscreen |
| Control Method | Touch, Voice |
| Item Dimensions (L x W x H) | 15.7"L x 2"W x 6.5"H |

Image: Detailed dimensions of the Inefala Android Car Radio and its mounting frame.
10. Warranty and Support
Your Inefala Android 15 Car Radio comes with a 24-month quality assurance warranty from the date of purchase. Inefala-US is responsible for handling all quality issues within this period.
For any questions, technical assistance, or warranty claims, please contact Inefala-US directly. They offer online consultation support with a response within 24 hours.
- Seller: Inefala-US
- Contact Email: inefalatech@163.com
Please refer to the provided instructions for proper product usage. Your satisfaction is important, and Inefala-US guarantees that 100% of your concerns can be resolved by contacting them.

Image: Inefala branding image, symbolizing a significant upgrade to vehicle systems.