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Chevy Volt Gets a Software Fix

General Motors Co. says its dealers will update software in 2013 model Chevrolet Volts to cure a glitch that can cause the extended-range hybrid's electric motor to stop unexpectedly while the car is being driven.
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General Motors Co. says its dealers will update software in 2013 model Chevrolet Volts to cure a glitch that can cause the extended-range hybrid's electric motor to stop unexpectedly while the car is being driven.

The issue does not affect older Volts. GM says the problem occurs only when owners of 2013 models have previously activated the car's "delayed time and rate charge mode."

The program enables Volt owners to benefit from lower utility rates by delaying when their car begins recharging even after it has been plugged in for the night.

GM says reflashing the control system of affected cars will require less than an hour. The company describes the repair as a customer satisfaction issue rather than a recall.

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