When the camera detects a heat source in the shape of a human being, the on-board computer alerts the driver by highlighting the pedestrian in yellow on the dashboard screen.

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Rumors have circulated about the white paint peeling under heat or ambient light leaking into the case and affecting the camera.

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Before winter sets in, rent an infrared camera to take pictures of your house and find heat leaks that need insulating.

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While Apple maintained the top spot for the ninth time in a row through US customers' happiness with the hardware design and ease of use, most of its major competitors made big strides in reliability, speed and camera quality in the past half-year -- to the point where there was a virtual dead heat for second place between HTC, Motorola, Nokia and Samsung.

ENGADGET