See also:

Ignition Positions (Keyless Access)
The ignition control knob can be turned to four different positions. To shift out of P (Park), the ignition must be in ON/RUN or ACC/ACCESSORY and the regular brake pedal must be applied. ...

Sedan and Wagon Base Model
From the inside, use the door lock knob on the top of doors. ...

Performance
The Cadillac CTS Coupe extends Cadillac's emerging performance credentials. The Cadillac CTS Coupe's standard powertrain consists of a direct injected 3.6L V-6 and six-speed manual transmission. D ...