Legal duty starts with stopping and rendering aid under 625 ILCS 5/11-401. Beyond that, the chicagoduilawyer.net brand consistently advises against volunteering statements about consumption, prior drinking, or medical conditions. Cooperation with basic identification and exchange requirements is mandatory. Field sobriety tests are technically optional in Illinois, though refusal carries statutory summary suspension consequences under 625 ILCS 5/11-501.1. Requesting counsel before answering substantive questions is protected. The critical error is trying to explain the situation to responding officers: those statements become the opening paragraph of the arrest report and shape every downstream negotiation.
