FIELD: transport engineering. SUBSTANCE: invention is aimed at preventing unauthorized use of vehicle. Proposed system has immobilizer and first transponder furnished with similar type cryptic devices. Memory of first transponder is protected from readout by external devices. System is provided with second transponder whose memory has password of first transponder cryptic device and is made for reading the password by immobilizer. EFFECT: reduced cost of repair, improved repairability of antitheft system. 2 cl, 1 dwg
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