2003 Mercury Grand Marquis Owner Guide 4th Printing - Page 101
2003 Mercury Grand Marquis Manual
Page 101 highlights
Locks and Security To unlock all doors, enter the factory-set code or personal code (driver door unlocks) and press 3/4 within five seconds. 1 2 3 4 5 6 7 8 9 0 To release the trunk, enter the factory-set code or personal code (driver door unlocks) and press 5/6 within five seconds. 1 2 3 4 5 6 7 8 9 0 After the factory-set code or personal code has been entered, you can unlock all doors (press 3/4) and release the trunk (press 5/6) as long as the controls are pressed within 5 seconds of each other. Locking doors with the keyless entry system It is not necessary to enter the factory-set code prior to locking all doors. To lock the doors: Press 7/8 and 9/0 at the same time. 1 2 3 4 5 6 7 8 9 0 SECURILOCKி PASSIVE ANTI-THEFT SYSTEM SecuriLock passive anti-theft system is an engine immobilization system. This system is designed to prevent the engine from being started unless a coded key programmed to your vehicle is used. The SecuriLock passive anti-theft system is not compatible with non-Ford aftermarket remote start systems. Use of these systems may result in vehicle starting problems and a loss of security protection. THEFT INDICATOR The theft indicator is the flashing red indicator located on the dash panel. 101 2003 Grand Marquis (grn) Owners Guide (post-2002-fmt) USA English (fus)