2003 Toyota Corolla Owners Manual - Page 186

'03 Corolla U (L/O 0201) If you lose your wireless remote control transmitter You can purchase a new wireless remote control transmitter at your Toyota dealer. Have the registered identification numbers of your transmitters deleted from your vehicle by your Toyota dealer as soon as possible to avoid the possibility of theft or an accident. Then, have the identification number of your new transmitter registered. At the same time, you must bring all of the remaining transmitters to have them registered again as well. You can use the wireless remote control system with the new transmitter. Contact your Toyota dealer for detailed information. 186 2003 MY COROLLA_U (OM12744U)