The SMART mode may be limited in following situations. (The OFF indicator illuminates in those situations.)
Various driving situations, which you may encounter in SMART mode
Cruise ControlHyundai Sonata LF 2014-2019 Service Manual: Brake Line Repair procedures
Removal
1.
Disconnect the brake fiuid level switch connector, and remove the reservoir cap.
2.
Remove the brake fluid from the master cylinder reservior with a syringe.
Do not spill brake fluid on the vehicle, it may damage the
paint; if brake fluid does contact the ...
Hyundai Sonata LF 2014-2019 Service Manual: TPMS Receiver Schematic Diagrams
Circuit Diagram
Terminal function
Pin NO.Discription1Battery (+)2IGN3CAN_Low4CAN_High5-6Ground
...