The 20 Cadillac CTS Vsport is equipped with 245/40R18 and 275/35R18 Pirelli P-Zero Nero (RPO RKK) ultra-high performance summer tires. Object ID: 3701321Click here for detailed picture of the image. Object ID: 3274901Click here for detailed picture of the image. Tires that have been used in cold climates and exhibit tread cracks should be discarded. Important: While the cracking will not result in air loss, it is damaging to the tire. Driving with high performance summer tires on snow, ice or cold road surfaces may cause loss of control. Surface cracks are cosmetic and will not result in a loss of air, however special tread and compounds used on these performance tires will cause a decrease in performance in cold climates. The rubber used in these tires loses flexibility and may develop surface cracks (1) in the tire tread/shoulder area at colder temperatures. The vehicles referenced above are all equipped with 3 season performance tires commonly referred to as “Summer Tires.” Please discard Corporate Bulletin Number 13-03-10-001D.
#Summer performance tires in cold weather feel wobbly update#
This Bulletin has been revised to update the Models. This Bulletin also applies to any of the above models that may be Export vehicles. Avoid driving, moving, or test-driving vehicles equipped with high performance summer-only tires below 20☏ (−7☌), as operating at these temperatures can cause damage to the tires.
GM recommends installing winter tires if driving below these temperatures. Subject: Information on Tire Cold Weather CrackingĢ013-2015 Chevrolet Camaro SS with RPO 1LEĢ014-2017 Chevrolet Corvette, Corvette Z06, Grand SportĢ017 Chevrolet Camaro SS 1LE (RPO A1Y), Camaro ZL1Īttention: Advise customers of these vehicles that they are equipped with a high performance summer-only tire that will have reduced traction performance at temperatures below approximately 40☏ (5☌).
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