The Driver Attention Alert system enters the ready status and displays the 'Standby' screen in the following situations.
- The camera sensor keeps failing to detect the lanes.
- Driving speed remains under 40 mph (60 km/h) or over 110 mph (180 km/h).
Hyundai Sonata LF 2014-2019 Service Manual: Instrument Cluster Schematic Diagrams
Circuit Diagram
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Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Operation and Leakage Check
Check all of the following items:
ComponentProcedureBrake Booster (A)Check brake operation by applying the brakes during a test
drive. If the brakes do not work properly, check the brake booster.
Replace the brake booster as an assembly if it does not work properl ...