Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Spare Key Programming Switch
Using programmed encoded key, turn ignition switch from OFF to RUN position. Connect New Generation Star (NGS) tester to Data Link Connector (DLC). Enter Powertrain Control Module (PCM). Enter SECURITY ACCESS. See SECURITY ACCESS PROCEDURE . Select SPARE KEY PROGRAMMING SWITCH. If NGS tester displays DISABLE, spare key programming is not accessible. If NGS tester displays ENABLE, spare key programming is accessible.
Turn ignition switch from OFF to RUN positions with new unprogrammed ignition key. Connect NGS tester and enter PCM. Select security access. See SECURITY ACCESS PROCEDURE . From menu select IGNITION KEY CODE PROGRAM. Turn ignition switch to OFF position. Disconnect NGS tester. Attempt to start vehicle with new programmed ignition key.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.