2008 GMC Envoy Owner's Manual - Page 194

Lock Feedback Press the customization button until LOCK FEEDBACK: BOTH appears in the display. To select your preference for the feedback you receive when locking the vehicle with the Remote Keyless Entry (RKE) transmitter, press the select button while LOCK FEEDBACK: BOTH is displayed on the DIC. Pressing the select button will scroll through the following settings: LOCK FEEDBACK: BOTH (default): The parking lamps will flash each time you press the button with the lock symbol on the RKE transmitter and the horn will chirp the second time you press the lock button. LOCK FEEDBACK: OFF: There will be no feedback when locking the vehicle. LOCK FEEDBACK: LAMPS: The parking lamps will flash each time you press the button with the lock symbol on the RKE transmitter. LOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the lock symbol on the RKE transmitter. To select a setting and move on to the next feature, press the customization button while the desired setting is displayed on the DIC. 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 (RKE) transmitter, press the select button while UNLOCK FEEDBACK: LAMPS is displayed on the DIC. Pressing the select button will scroll through the following settings: UNLOCK FEEDBACK: LAMPS (default): The parking lamps will flash each time you press the button with the unlock symbol on the RKE transmitter. UNLOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the unlock symbol on the RKE transmitter. UNLOCK FEEDBACK: BOTH: The parking lamps will flash each time you press the button with the unlock symbol on the RKE 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. To select a setting and move on to the next feature, press the customization button while the desired setting is displayed on the DIC. 3-60