Programming Using 2 Programmed Keys

2000 Mercury Mystique GS, 2.0 3, AutomaticSECTION Programming Using 2 Programmed Keys
NOTE: This procedure only works if 2 or more keys are already programmed, 2 of the programmed keys are available and PCM PID SPARE_KEY is enabled. See SPARE KEY PROGRAMMING SWITCHΒ  . A maximum of 8 keys can be programmed.

Insert a programmed key into ignition switch. Turn ignition switch to START position for one second. Turn ignition switch to OFF position and remove key. Within 5 seconds insert another programmed ignition key into ignition switch and turn ignition switch to START position for one second. Turn ignition switch to OFF position and remove key. Within 5 seconds insert ignition key to be programmed into ignition switch and turn ignition switch to START position for one second. Turn ignition switch to OFF position and remove key. Vehicle should now start with new ignition key.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.