1995 GMC Yukon Owner's Manual - Page 80

Child Security Locks &?-DoorUtility) With this feature, you can lock the rear doors so they can't be opened fromthe inside by passengers. Move the button up to engagethe security feature. Movethe button down to return the door locks to normal operation. Leaving Your Vehicle If you are leaving the vehicle, take your keys, open your door and set the locks frominside. Then get out and close door. the Keyless Entry System If your vehicle has this option, you can lock and unlock your doors from up to 30 feet (9 m) away using the key chain transmitter supplied with your vehicle. Your Keyless Entry System operates on radio frequency subject to Federal a Communications Commission (FCC) Rules. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This devicemay not cause harmful interference, and (2) This devicemust accept any interference received, including interference that may cause undesired operation. Should interference to this system occur, try this: Check to determine if battery replacement is necessary. See the instructions on battery replacement. Check the distance. You may be too far fromyour vehicle. This product has a maximum range. Check the location. Other vehicles or objects may be blocking the signal. See your GM dealer or a qualified technician for service. Changes or modifications to this system by other than an authorized service facility could void authorization to use this equipment. 2-8