HTC Xda orbit 2 User Manual page 171

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When using the device inside a vehicle, use the car holder to mount
the device securely in place. Avoid placing the device in the areas
shown in the following diagram:
1 Do not place where it will block the driver's vision.
2
Do not place where air bags could deploy.
3
Do not place anywhere in the vehicle without securing the device
in the holder.
Using GPS 171