2005 Cadillac CTS Owner's Manual - Page 209

To program the vehicle to a different mode, use the following procedure: 1. Enter the personalization portion of the SETUP menu following the instructions listed previously. 2. Scroll to DRIVER UNLOCK KEY OUT/OFF. 3. Press the TUNE/SEL knob to switch between on and off. When the mode is turned on, a check mark will appear next to the feature name. If you select Mode 1, Doors Lock in Gear (automatic transmission) or Automatic Door Lock (manual transmission) will be turned on automatically. This feature cannot be selected if Driver Unlock in Park (automatic transmission), Doors Unlock in Park (automatic transmission) or Doors Unlock Key Out/Off is selected. If any of these was previously selected, you must first de-select it in order to be able to select Driver Unlock Key Out/Off. The mode you selected is now set. You can either exit the programming mode by following the instructions later in this section or program the next feature available on your vehicle. Doors Unlock in Park (Automatic Transmission) The feature allows the doors to automatically unlock when the transmission is shifted into PARK (P). Programmable Modes Mode 1: ON Mode 2: OFF Before your vehicle was shipped from the factory, it was programmed to Mode 2. The mode to which the vehicle was programmed may have been changed since it left the factory. To program the vehicle to a different mode, use the following procedure: 1. Enter the personalization portion of the SETUP menu following the instructions listed previously. 2. Scroll to DOORS UNLOCK IN PARK to highlight it. 3. Press the TUNE/SEL knob to switch back and forth between on and off. When the mode is turned on, a check mark will appear next to the feature name. 3-83