1 recall across 1 model year
The GMC Bison has 1 recall affecting the 1978 model year, where the speedometer and odometer were calibrated in miles and miles per hour rather than kilometers and kilometers per hour as required by Canadian federal safety standards. Affected trucks display speed and distance readings in the wrong units, which can cause drivers to misjudge their actual speed and distance traveled. The remedy involves recalibrating or replacing the instruments to display metric measurements.
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