Service and Maintenance
See also:
Engine & Transmission
The CTS comes standard with a 3.0-liter V-6 engine, but our test car's
optional 3.6-liter V-6 and six-speed automatic transmission are a special pair
among drivetrains. The transmission's shifts a ...
Maintenance Schedule
Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation pressures. See Tire Pressure.
- Inspect the tires fo ...
High-Beam On Light
This light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer for more information. ...






