Introduction

See also:

Navigation announcements
Repeating navigation announcements WARNING Navigation announcements are intended to direct you while driving without diverting your attention from the road and driving. Please always use th ...

Tire pressure specifications
WARNING   Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and ...

Tread wear
The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. government course. For example, a tire graded 150 would ...