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.
Disabling Unlimited Key Mode
2008 Acura RDXSECTION Disabling Unlimited Key Mode
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
By disabling the unlimited key mode, the previous access code no longer operates the vehicle.
- From the scan tool, follow the on-screen instructions to ENTER SECURITY ACCESS. For additional information, refer to Anti-Theft Security Access .
- Select: "unlimited key mode OFF" and press the tick mark.
- Select: "Ignition Key Code Erase" and press the tick mark.
- Disconnect the scan tool and turn the ignition switch to OFF.
- Insert the first PATS key into the ignition lock cylinder and turn the key to the ON position for 3 seconds (6 seconds if it is an IKT key).
- Remove the first PATS key from the ignition lock cylinder.
- Insert the next PATS key into the ignition lock cylinder and turn the key to the ON position for 3 seconds (6 seconds if it is an IKT key).
- If it is desired to program additional key(s), refer to Key Programming Using Two Programmed Keys in this article for each additional key that needs to be programmed. The PID SPAREKEY must be enabled.
NOTE:
With the unlimited key mode turned off, a maximum of 8 keys can be programmed into the IC using the Key Programming Using Two Programmed Keys procedure. The PID SPAREKEY must be enabled.
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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.