2006 GMC Envoy Owner's Manual - Page 206

Unlock Feedback Press the customization button until UNLOCK FEEDBACK: LAMPS appears in the display. To select your preference for the feedback you will receive when unlocking the vehicle with the remote keyless entry transmitter, press the select button while UNLOCK FEEDBACK: LAMPS is displayed on the DIC. Pressing the select button will scroll through the following choices: UNLOCK FEEDBACK: LAMPS (default): The parking lamps will flash each time you press the button with the unlock symbol on the remote keyless entry transmitter. UNLOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the unlock symbol on the remote keyless entry transmitter. UNLOCK FEEDBACK: BOTH: The parking lamps will flash each time you press the button with the unlock symbol on the remote keyless entry transmitter and the horn will chirp the second time you press the unlock button. UNLOCK FEEDBACK: OFF: There will be no feedback when unlocking the vehicle. Choose one of the available options and press the customization button while it is displayed on the DIC to select it and move on to the next feature. Headlamp Delay Press the customization button until HEADLAMP DELAY: 10 SEC appears in the display. To select your preference for how long the headlamps will stay on when you turn off the vehicle, press the select button while HEADLAMP DELAY: 10 SEC is displayed on the DIC. Pressing the select button will scroll through the following choices: HEADLAMP DELAY: 10 SEC (default) HEADLAMP DELAY: 20 SEC HEADLAMP DELAY: 40 SEC HEADLAMP DELAY: 1 MIN HEADLAMP DELAY: 2 MIN HEADLAMP DELAY: 3 MIN HEADLAMP DELAY: OFF The amount of time you choose will be the amount of time that the headlamps stay on after you turn off the vehicle. If you choose OFF, the headlamps will turn off as soon as you turn off the vehicle. Choose one of the available options and press the customization button while it is displayed on the DIC to select it and move on to the next feature. 3-62