Special Application Services

. Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.

- Have underbody flushing service performed once a year.

    See also:

    Filling a Portable Fuel Container
    WARNING Never fill a portable fuel container while it is in the vehicle. Static electricity discharge from the container can ignite the fuel vapor. You can be badly burned and the vehicle da ...

    Exterior Lamps Off Reminder
    If a door is open, a reminder chime sounds when the headlamps or parking lamps are manually turned on and the key is out of the ignition. To turn off the chime, turn the headlamp switch to off or ...

    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 ...