Blind-Spot Collision Warning (BCW) system disabled. Radar blocked
This warning message may appear when :
- One or both of the sensors on the rear bumper is blocked by dirt or snow or
a foreign object.
- Driving in rural areas where the sensor does not detect another vehicle for an
extended period of time.
- When there is inclement weather such as heavy snow or rain.
If any of these conditions occur, the light on the BCW switch and the system will turn off automatically.
When the BCW canceled warning message is displayed in the cluster, check to make sure that the rear bumper is free from any dirt or snow in the areas where the sensor is located. Remove any dirt, snow, or foreign material that could interfere with the radar sensors.
After any dirt or debris is removed, the system should operate normally after about 10 minutes of driving the vehicle.
If the system still does not operate normally have your vehicle inspected by an authorized HYUNDAI dealer.
Check Blind-Spot Collision Warning (BCW) system
If there is a problem with the BCW system, a warning message will appear and the light on the switch will turn off. The system will turn off automatically. Have your vehicle inspected by an authorized HYUNDAI dealer.
Hyundai Elantra AD (2016-2020) Service Manual: TPMS Sensor Description and Operation
Description
1.
General description
WU is a sensor placed in the tire that reports pressure and temperature.
The WU is mounted inside the wheels, fixed to the valve. The angle between the valve and the housing of the WU is variable.
This allows adaptation to various types of rims.
The Wheel ...
Hyundai Elantra AD (2016-2020) Service Manual: On-board Refueling Vapor Recovery (ORVR) valve Repair procedures
Removal
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Remove the fuel pump.
(Refer to Fuel System - "Fuel Pump")
3.
Remove the ORVR (A) after releasing hooks (B).
Installation
1.
Installation is the reverse of removal. ...