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:
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lower the driver window and open the driver door.
2. Activate the system by locking the doors with the power door lock switch while
the door is open, ...
Maintenance Records
After the scheduled services are performed, record the date, odometer
reading, who performed the service, and the type of services performed in the
boxes provided. Retain all maintenance receipts.
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STS adds direct-injection V-6
For 2008, STS will be the first GM vehicle equipped with a new 3.6-liter
direct-injected V-6 engine. The new base powerplant, with 298 horsepower (222
kW), delivers 40 more horsepower; and torque ...