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When the outside temperature reaches 37°F (~3°C), the outside-temperature display on the on-board computer flashes and a chime sounds to alert the driver that the surface of the road may be frozen, therefore possibly slippery, and extra caution should be observed. (Even though ice won't normally occur at 37°F, the temperature probe is several inches above the road surface, and the actual surface temperature may be lower.)

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17y ago

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