Some riders have noticed that after installing the W603D, the device remains powered on even when the motorcycle is already turned off. This may cause unnecessary battery drain, affect the next engine start, and reduce device lifespan over time.
Here are two effective solutions to solve the issue.
Method 1: Connect to the ACC Ignition Wire for Automatic Power On/Off (Recommended)
To ensure the W603D shuts off automatically when the motorcycle is turned off, the most dependable method is to connect the device’s power cable to the ACC ignition wire.
How the ACC circuit works:
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Key ON → Power ON
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Key OFF → Power OFF
After connecting the W603D to the ACC:
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The device powers on automatically when the motorcycle starts
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It shuts down automatically when the engine is turned off
This prevents motorcycle battery drain and keeps the power synchronized with the ignition system.
Tip: If you're not familiar with motorcycle wiring, ask a professional technician to complete the installation safely.
Method 2: Manually Shut Down the Device Using the Wired Controller (Temporary Solution)

The W603D does not include a physical power button, so manual shutdown must be done through the included wired controller.
How to shut down manually:
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Find the Cycle button with the loop icon on the wired controller
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Press and hold for over 5 seconds
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The screen or indicator light will turn off
This method requires no wiring changes and is ideal for temporary or emergency use.
Which Solution Should You Choose?
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For long-term protection and automatic shutoff: Choose Method 1 (ACC connection)
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For occasional manual shutdown: Choose Method 2 (long-press controller)
If both methods fail to resolve the issue, please contact our support team for further inspection and assistance.
Need More Help or Installation Tips?
Explore our full support center for guides, updates, and troubleshooting:
👉technical support page
Looking for more Motorcycle CarPlay and navigation solutions?
👉motorcycle-carplay collection
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