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Optima EX
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Repair and Diagnosis (Single Page)
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Button Engine Start System - Optima (Except HEV)
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Button Engine Start System
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Description And Operation
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Description
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System Main Function
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System Main Function
Switching of ACC / IGN1 / IGN2 terminals.
Control of the STARTER relay BAT line (high side) based on communication with EMS ECU.
Management of the Immobilizer function.
Management of BES warning function.