2003 Mercury Grand Marquis Owner Guide 4th Printing - Page 102

Locks and Security • When the ignition is in the OFF position, the indicator will flash once every 2 seconds to indicate the SecuriLock௢ system is functioning as a theft deterrent. • When the ignition is in the ON position, the indicator will glow for 3 seconds to indicate normal system functionality. If a problem occurs with the SecuriLock௢ system, the indicator will flash rapidly or glow steadily when the ignition is in the ON position. If this occurs, the vehicle should be taken to an authorized dealer for service. Automatic arming The vehicle is armed immediately after switching the ignition to the 3 (OFF) or 2 (LOCK) position. The indicator on the instrument panel will flash every two seconds when the vehicle is armed. 4 3 5 2 1 Automatic disarming Switching the ignition to the 4 (ON) position with a coded key disarms the vehicle. The indicator on the instrument will illuminate for three seconds and then go out. If the indicator stays on for an extended period of time or flashes rapidly, have the system serviced by your dealership or a qualified technician. Key information Your vehicle is supplied with two coded keys (or three, if your vehicle is equipped with the valet feature). Only a coded key will start your vehicle. Spare coded keys can be purchased from your dealership. Your dealership can program your key or you can "do it yourself." Refer to Programming spare keys. The following items may prevent the vehicle from starting: • Large metallic objects • Electronic devices on the key chain that can be used to purchase gasoline or similar items • A second key on the same key ring as the coded key 102 2003 Grand Marquis (grn) Owners Guide (post-2002-fmt) USA English (fus)