See also:

Checking Coolant in the Intercooler System (CTS-V)
The vehicle must be on a level surface when checking the coolant level. The super charged engine intercooler coolant fill neck is located in the engine compartment on the passenger side of ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the veh ...

Engine Fan
The vehicle has electric cooling fans. The fans spinning at low speed during most everyday driving might be heard. The fans can turn off if no cooling is required. Under heavy vehicle loading, tra ...