The official notice
Defect
General Motors (GM) is recalling certain model year 2013-2014 Chevrolet Silverado HD, Chevrolet Express, and GMC Sierra HD vehicles, and model year 2013 GMC Savana compressed natural gas (CNG) vehicles that fail to comply with Federal Motor Vehicle Safety Standard No. 303 "Fuel System Integrity of Compressed Natural Gas Vehicles." In the affected vehicles, the text of the CNG fuel-only label is smaller than the required size, and as a result, may be less noticeable.
Safety Risk
Text that does not conform to the required labeling size could inhibit fuel tank inspection practices and safe refueling, increasing the risk of a fire.
Remedy
GM will notify owners and will send them a replacement label, free of charge. The recall began December 3, 2015. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 13365.