2004 Mercury Grand Marquis Chip Key Transponder Programming Instructions

Description

2004 Mercury Grand Marquis Chip Key Transponder Programming Instructions

 
Can I program a new key myself if I have no working keys?
No, here are your options.

1.  Preferred Option: Call a mobile Automotive Locksmith to come to your vehicle to originate a new key. The Locksmith will then have to connect a special computer to your vehicle to program the new key.          
     

2.  Tow your vehicle to a Dealership and they will originate a new key. The Dealership with then have to connect a special computer to your vehicle  to program the new key.

 

 
Can I program a second key myself if I have one working key?

No, here are your options.

 

1.  Preferred Option: Call or go to an Automotive Locksmith and they will have to connect a special computer to your vehicle to program the second key.
   

2.  Go to a Dealership and they will have to connect a special computer to your vehicle to program the second key.

 

Can I program a third key myself if I have two working keys?

Yes, once you have had the new key cut by a Locksmith use the following instructions.

 

1. Insert an existing working key into the ignition cylinder.

2. Turn the ignition cylinder to ON (RUN) and back to OFF.

3. Remove the existing working key and, within five seconds, insert a second working key and turn it to ON (RUN) then back OFF.

4.  Remove second working key and insert the new key before ten seconds have elapsed and turn it to ON (RUN). Leave it on for one second and turn back to OFF.

5. The security light will light up for three seconds to indicate that the new key has been successfully programmed.
 

 
Go to ProgramYourRemote.com for keyless entry remote fob programming instructions for this vehicle.
Call 877-782-5192 to find a Locksmith in your area to originate or program a key or go to LocateALocksmith.com to find one in your area.