| Circuit Diagram |

Repair procedures
Blind Spot Detection Unit Repair proceduresHyundai Elantra AD (2016-2020) Owners Manual: System Setting and Operation
System setting
• Setting Blind-Spot Safety function
The driver can activate the system by placing the ignition switch to the ON position
and by selecting 'User Settings → Driver Assistance → Blind-Spot Safety'.
- The BCW turns on and gets ready to be operated when 'Warning O ...
Hyundai Elantra AD (2016-2020) Service Manual: Knock Sensor (KS) Description and Operation
Description
Knocking is a phenomenon characterized by undesirable
vibration and noise and can cause engine damage. Knock Sensor (KS) is
installed on the cylinder block and senses engine knocking.
When knocking occurs, the vibration from the cylinder block
is applied as pressure to the piez ...