随着部分地区天气转冷，道路遭到严重破坏，轮胎损坏或不规则磨损的可能性变得更为普遍。新的通用汽车汽车包括一个新的车辆轮胎保修，这是包括在保险杠到保险杠新车有限保修。（图15）但哪些轮胎状况在保修范围内？
有缺陷的轮胎将根据轮胎的行驶里程按比例进行更换。按比例分配仅适用于轮胎成本。客户不承担任何轮胎更换（安装和平衡）的人工费用。
Fig. 15
Tire Wear
轮胎磨损因车辆上的轮胎类型和客户的驾驶习惯而异。安装在通用汽车上的原始设备（OE）轮胎根据许多不同的标准进行评估，包括操纵性、行驶质量、承载力和牵引力。不同类型的轮胎会经历不同的胎面磨损率。如果由于新车有限保修所涵盖的部件而需要更换轮胎，则可能会涵盖损坏、磨损或错位悬架部件（图16）造成的不均匀或不规则磨损。更换轮胎必须与有缺陷的部件放在同一工作卡上。轮胎人工操作需要轮胎预维修授权。
Fig. 16
不可担保的轮胎磨损情况包括以下原因造成的损坏：
- 道路危险
- Driving with low tire pressure
- 轮胎修理不当
- 爆胎长时间驾驶
- 误用、赛车或故意破坏
- 缺乏维护
- Flat spotting caused by parking a vehicle for an extended period of time
- 高性能夏季轮胎在寒冷天气下开裂
- 正常轮胎老化
Inspection of tires replaced under warranty reveals that the most frequent non-warrantable condition claimed is road hazard, followed by improper wear. Here are some examples of returned tires with non-warrantable conditions.
道路危险–安装在未经批准的轮胎部分的轮胎塞导致漏气的轮胎。（图17）
Fig. 17
低胎压驾驶– Inside view of a tire shows shredding caused by extended driving with low air pressure. (Fig 18) Interior tire damage may not be obvious on the exterior.
提示：提醒客户注意仪表盘上点亮的轮胎低压警告灯，并遵循建议的轮胎保养。许多通用汽车车型都配备了轮胎充气警报系统，该系统与胎压监测系统一起工作，在将轮胎充气至推荐胎压时，在车外提供视觉和听觉警报。
Fig. 18
Extended Driving on a Flat Tire– Tire sidewall wear completely around the tire is due to extended contact with the road when the tire was completely flat. (Fig. 19)
Fig. 19
Normal Tire Weathering–轮胎表面开裂是轮胎正常老化的一个例子。（图20）
Fig. 20
轮胎密封胶和充气工具
通用汽车公司对临时使用轮胎密封胶的认可（随通用汽车公司充气套件提供）可能与个别轮胎制造商不同。通用汽车公司已确认临时使用轮胎密封胶防止漏气，当按照车主手册中的说明使用时，将在新车有限保修期内对轮胎进行保修。
只有通用汽车公司充气套件中的轮胎密封胶才可用于轮胎漏气的临时修理。通用汽车公司已经测试了这种密封胶及其与安装在车轮上的轮胎压力传感器的兼容性。使用充气套件后，应检查安装在车轮上的胎压传感器是否有损坏，并根据需要进行更换或清洁。
Tires Covered Under Warranty
Original Equipment (OE) tires and Limited Product Option (LPO) tires installed during Pre-Delivery Inspection (PDI) are covered under the New Vehicle Limited Warranty. Tires replaced under warranty are covered for the remaining portion of the New Vehicle Limited Warranty.
Non-OE tires, tires on a vehicle after the New Vehicle Limited Warranty expires, and tires purchased by customers beyond the New Vehicle Limited Warranty are not covered. OE tires may still have prorated warranty coverage by the tire manufacturer once the New Vehicle Limited Warranty expires.
有关更多信息，包括完成轮胎保修交易的步骤以及如何联系GM轮胎计划，请参阅公告20-NA-159。
– Thanks to Tom Holecek and Scott Lewiston
