Specification
Use and ask for licensed engine oils with the dexos1™ approved certification mark. Engine oils meeting the requirements for the vehicle should have the dexos1 approved certification mark.
This certification mark indicates that the oil has been approved to the dexos1 specification.

Notice: Failure to use the recommended engine oil or equivalent can result in engine damage not covered by the vehicle warranty. Check with your dealer or service provider on whether the oil is approved to the dexos1 specification.
See also:
Manual Transmission
Skip Shift (CTS–V)
Under light acceleration, the
transmission will only allow
shifting from 1 (First) to 4 (Fourth).
This helps improve fuel mileage.
Under harder acceleration, Skip
Shift is ...
Electrical System
Overload
The vehicle has fuses and circuit
breakers to protect against an
electrical system overload.
When the current electrical load is
too heavy, the circuit breaker opens
and closes, protecting th ...
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 f ...






