2007 Chevrolet Tahoe Owner's Manual - Page 116

Q (Lock): Press the lock button to lock all the doors. If enabled through the Driver Information Center (DIC), the parking lamps will flash once to indicate locking has occurred. If enabled through the DIC, the horn will chirp when the lock button is pressed again within five seconds of the previous press of the lock button. See DIC Vehicle Customization (With DIC Buttons) on page 280 for additional information. Pressing the lock button may arm the content theft-deterrent system. See Content Theft-Deterrent on page 135. With Remote Start and Liftglass (Without Remote Start Similar) With Remote Start and Power Liftgate and Liftglass (Without Remote Start Similar) " (Unlock): Press the unlock button to unlock the driver's door. If the button is pressed again within five seconds, all remaining doors will unlock. The interior lamps will come on and stay on for 20 seconds or until the ignition is turned on. If enabled through the DIC, the parking lamps will flash once to indicate unlocking has occurred. See DIC Vehicle Customization (With DIC Buttons) on page 280. Pressing the unlock button on the RKE transmitter will disarm the content theft-deterrent system. See Content Theft-Deterrent on page 135. The following functions may be available if your vehicle has the RKE system: / (Remote Vehicle Start): If your vehicle has this feature, it may be started from outside the vehicle using the RKE transmitter. See "Remote Vehicle Start" following for more detailed information. 116