See also:

Tire tread
WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomm ...

Automatic headlamp mode
► To switch on automatic headlamp mode: turn the light switch to . SmartKey in position 1 in the ignition lock: the parking lamps are switched on or off automatically depending on the br ...

Ride & Handling
When I first saw the wheels on my test GLK350 — those 20-inch rims and low-profile all-season tires — I was a little worried about how it would ride on Chicago's crater-filled roads. To my surpris ...