Volvo XC90: Wheels and tires / Tread wear indicator
The tread wear indicator shows the status of the tire's tread.

The tread wear indicator is a narrow elevated strip running across the tire's
longitudinal tread grooves. The letters TWI (Tread Wear Indicator) are visible on
the side of the tire. When approximately 1.6 mm (1/16 inch) is left on the tread,
the tread will be at the same height as the tread wear indicator. Replace the tire
as soon as possible. Tires with low tread offer very poor traction in rain or snow.
Tires with tread designed to roll in only one direction are marked with an
arrow on the sidewall.
The arrow shows the tire's direction of rotation.
The tire should maintain the same direction of rotation throughout its service
life...
The following is a glossary of tire-related terms.
The tire suppliers may have additional markings, notes or warnings such as standard
load, radial tubeless, etc...
Other information:
(Option/accessory.)
This SiriusXM Travel Link service provides information about sporting events,
tournaments, teams, leagues, etc.
From the SiriusXM Travel Link home screen, to display sports information:
Tap the Sports button to display the main sports screen...
Owner's information is available in several different formats, both digital and printed. The Owner's Manual is available on the vehicle's center display, as a mobile app and on Volvo Cars' support website. There is also a Quick Guide in the glove compartment, as well as a supplement to the Owner's Manual containing information about e...