Roadside Service (U.S. and Canada)
U.S.: 1-800-224-1400
Canada: 1-800-882-1112.
Text Telephone (TTY) Users (U.S. Only): 1-888-889-2438.
Service is available 24 hours a day, 365 days a year.
See also:
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...
Universal Remote System Operation
Press and hold the appropriate button for at least half of a second. The indicator
light will come on while the signal is being transmitted.
Reprogramming Universal Home Remote Buttons
Any of the ...
Ride Quality
The ATS' ride quality is confident and comfortable. A difference of 1 inch in
wheel diameter isn't always noticeable, but I found the 2.5L with its 17-inch
wheels to ride a little softer than the ...






