See also:

Speed rating
The speed rating is part of the tire identification. It specifies the speed range for which the tire is approved. ...

Summer tires
 - Optionally, tires with a maximum speed of over 149 mph (240 km/h) may have "ZR" in the size description depending on the manufacturer (e.g. 245/40 ZR 18). The service specif ...

General notes
The Lane Tracking package consists of Blind Spot Assist (Y page 198) and Lane Keeping Assist. ...