Room For Improvement
1. The tiny iPhone 4 light does not help visibility when recording through the vehicle windshield. It is a waste of battery life and the reflection makes night driving hazardous. The option to disable it is necessary.
2. Most iPhone holders do not allow immediate access to the screen for use of the "emergency record" button. If users could activate it via voice command that would solve this issue.
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iCarBlackBox, v1.1