The Smart Cruise Control uses a radar to detect distance to the vehicle ahead.
Radar check message
If the radar or cover is dirty or obscured with foreign matter such as snow, this message will appear. In this case, the system may not function temporarily, but it does not indicate a malfunction of the Smart Cruise Control System. Clean the radar or cover by using a soft cloth.
SCC (Smart Cruise Control) malfunction message
The message will appear when the vehicle to vehicle distance control system is not functioning normally.
Take your vehicle to an authorized HYUNDAI dealer and have the system checked.
CAUTION
Hyundai Sonata LF 2014-2019 Service Manual: Spark Plug Repair procedures
Inspection
[On vehicle inspection]
1.
Accelerate the engine to about 3,000 rpm 3 times or more.
2.
Remove the spark plug.
3.
Check the spark plug visually.
If the electrode is dry, the spark plug is normal.
If the electrode is wet, check the damage and electrode gap as below.
[ ...
Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Diagnosis with GDS
1.
BSD system defects can be quickly diagnosed with the GDS. GDS
operates actuator quickly to monitor, input/output value and self
diagnosis.
2.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.
3.
Sele ...