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.
Electronic Anti-Theft System, Deactivating
Reactivating a locked radio navigation system is only possible by entering correct code number for electronic antitheft system.
Code number for electronic antitheft system is listed along with radio serial number on radio card. Refer to the operating instructions.
For reasons of safety, radio card should not be stored in the vehicle. Obtain the code number from the customer, if necessary.
If a radio navigation system is replaced, code number from replacement unit must be used.
Inform the customer that the code number has changed.
-- Obtain code number for the unit.
-- Switch on radio navigation system.
Word "SAFE" and number row "0000" appear in display.
-- Enter code number listed on radio card by selecting and confirming characters in succession on letter and number selection screen with right rotary/push knob.
With the entry of the first character, the number row "0000" is overwritten.
-- When antitheft code has been entered, confirm with Taste located next to word "OK" on display.
Unit is enabled and ready for operation.
If the antitheft code has been entered incorrectly, it can be corrected immediately in two subsequent attempts. If antitheft code is entered incorrectly three times, then the radio navigation system is locked for an hour. Then leave the radio navigation system and the ignition switched on. After one hour, then the procedure for deactivating the electronic antitheft system can be repeated. Keep in mind: Always three attempts to input code, after that the radio navigation system is locked for one hour.
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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.