2003 GMC Sierra 1500 Pickup Owner's Manual - Page 212

Remote Lock Feedback Press the personalization button until REMOTE LOCK FEEDBACK appears in the display. To select your personalization for the feedback you will receive when locking the vehicle with the remote keyless entry transmitter, press the select button while REMOTE LOCK FEEDBACK is displayed on the DIC. Pressing the select button will scroll through the following choices: LOCK FEEDBACK: BOTH (default): The parking lamps will flash each time you press the button with the lock symbol on the remote keyless entry 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: HORN: The horn will chirp the second time you press the button with the lock symbol on the remote keyless entry transmitter. LOCK FEEDBACK: LAMPS: The parking lamps will flash each time you press the button with the lock symbol on the remote keyless entry transmitter. Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. Remote Unlock Feedback Press the personalization button until REMOTE UNLOCK FEEDBACK appears in the display. To select your personalization for the feedback you will receive when unlocking the vehicle with the remote keyless entry transmitter, press the select button while REMOTE UNLOCK FEEDBACK is displayed on the DIC. Pressing the select button will scroll through the following choices: UNLOCK FEEDBACK: LAMPS: The parking lamps will flash each time you press the button with the unlock symbol on the remote keyless entry transmitter. UNLOCK FEEDBACK: BOTH (default): 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. UNLOCK FEEDBACK: HORN: The horn will chirp the second time you press the button with the unlock symbol on the remote keyless entry transmitter. Choose one of the four options and press the personalization button while it is displayed on the DIC to select it and move on to the next feature. 3-57