Hyundai Elantra (CN7): Blind-Spot Collision Warning (BCW) / Function malfunction and limitations
Function malfunction
When Blind-Spot Safety system is not working properly, the ‘Check Blind-Spot Safety system(s)’ warning message will appear on the cluster, and the system will turn off automatically, or the system will be limited. We recommend that the system be inspected by an authorized HYUNDAI dealer.
When the outside rearview mirror warning light is not working properly, the ‘Check side view mirror warning light’ warning message will appear on the cluster. We recommend that the system be inspected by an authorized HYUNDAI dealer.
Function warning Vehicle detection To warn the driver a vehicle is detected, the warning light on the outside rearview mirror will illuminate. The system will operate when your vehicle speed is above 12 mph (20 km/h) and the speed of the vehicle in the blind spot area is above 7 mph (10 km/h).
When the rear bumper around the rear corner radar or sensor is covered with foreign material, such as snow or rain, or installing a trailer or carrier, it can reduce the detecting performance and temporarily limit or disable Blind-Spot Safety system.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: License Lamps
Repair procedures Removal1.Disconnect the negative (-) battery terminal.2.Push the lock pin (B) and remove the license lamp (A).3.Disconnect the license lamp connector (A).4.Replace the bulb (A).Installation1.Connect the license lamp connector.2.Install the license lamp.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Repair procedures
Diagnosis with Diagnostic tool1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).The diagnostic system (Diagnostic tool) provides the following information.(1)Fault Code Searching : Checking failure and code number (DTC)(2)Data Analysis : Checking the system input/output data s
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