Key Programming: 1. Insert an already programmed master key into the ignition. Do not turn. 2. Press and release the gas pedal 5 times. 3. Press and release the brake pedal 6 times. 4. Remove the key from the ignition. 5. Insert the new key you want to program into the ignition. 6. Press and release the gas pedal one time. 7. Wait 1 minute. The security light will be blinking for this one minute. When it stops blinking your key is programmed. To end programming step on the brake one time. CLICK TO PRINT - 2003 Lexus SC 430 Free Keyless Remote Programming
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