Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would wear one and a half (1½) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.
See also:
Rear Compartment 
Fuse Block 
(CTS-V Coupe and 
Sedan)
   The rear compartment fuse block is 
located on top of the battery, on the 
right side of the trunk. The battery 
access door must be removed to 
access the fuse block.
The vehicle may not be equi ...
   
Map Coordinates
   The coordinates destination entry method lets you select a destination by entering 
latitude and longitude coordinates.
Map Coordinates: Press to access the Coordinates Entry screen.
To use the c ...
   
Powertrain
   The XLR's Northstar V-8 VVT is a 90-degree, DOHC, four-valves-per-cylinder 
engine featuring an aluminum block and cylinder heads, and a valvetrain 
configuration with roller finger followers. The e ...
   






