Unlike the signals on its vehicles in the U.S., this indicator flashes three times at the driver's touch and then shuts off.

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Safe Driver is for i Phones, i Pads, and the iPod touch.

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In March, BMW rolled out a concept car with a touch-sensitive surface that allows the driver to control the heating and music systems via gestures.

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It left him six shots clear of defending champion and World No.1 Rory McIlroy, who again battled an errant driver and had to rely on his short game to stay in touch.

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When iTrip Auto is connected to an iPhone or iPod touch, Aha detects and launches its Griffin iTrip-specific settings to help the driver find an unused FM frequency on which to stream their Aha stations.

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Garmin's concept positions the screen higher up on the dash in the driver's eyesight and combines it with a rotary infrared controller in convenient reach, a touch pad, and menu mode buttons.

ENGADGET: Garmin multi-sensor controller concept replaces touchscreen interface with in-console dial rig

Ryan Gosling is a touch too sympathetic for the freeze-dried, laconic Driver whom we follow in the first half, and, once the mood is fractured and he starts to dish out bestial beatings, that stillness is badly devalued.

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