See also:

Battery
The battery supplies power to start the engine and operate any additional electrical accessories. - To avoid break–down or failure to start the vehicle, maintain a battery with full cranking ...

Engine Compartment Fuse Block (CTS-V Wagon)
The underhood fuse block is located on the left side of the engine compartment. Lift the fuse block cover to access the fuses. The vehicle may not be equipped with all of the fuses and rel ...

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there is ...