1993 Buick Roadmaster Owner's Manual - Page 71

Remote Keyless Entry System (Option) This device complies with Part of the FCC Rules. 15 Operation is subject to the followbg two conditions:(1) This devicemay not cause harmful interference, ( 2 ) and This device must 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. Seethe instructions on battery replacement. Check the distance. You may be too far from your vehicle. This product has a maximum range. e Check the location.. Other vehicles or objects may be blockiGg!$he signal. @ . . -Ifyour Buick has this option, cim loc$andanlbck\ you your doors or unlock your trunk tailgate3tom u.pto or 30 feet (9 m) using the key chain transmitter supplied with your vehicle. Your. Remote Keyless Entry System operateson a radio ftequency s.ubject to Federal C.on&unications Commission (FCC) Rules. See your Buick dealer or a qualified technician for service. Changes or modifications to this system other than an by authorized service facility could void authorization to use this equipment.