Nissan Altima (L34) 2019-2024 Owners Manual: System temporarily unavailable
For vehicles with the 7 inch (18 cm) display
Condition A
When the radar sensor picks up interference from another radar source, making it impossible to detect a vehicle ahead, the I-FCW system is automatically turned off.
The AEB with Pedestrian Detection system warning light (yellow) will illuminate.
Action to take
When the above conditions no longer exist, the I-FCW system will resume automatically.
Condition B
When there is inclement weather (rain, fog, snow, etc.) blocking the front radar sensor, the I-FCW system will automatically be canceled, and the "Forward Driving Aids temporarily disabled Front Sensor blocked See Owner’s Manual" warning message will appear in the vehicle information display.
The AEB with Pedestrian Detection system warning light (yellow) will illuminate.
For vehicles with the 5 inch (13 cm) display
Action to take:
When the conditions listed above are no longer present, the warning message will no longer be available in the vehicle information display. If the "Forward Driving Aids temporarily disabled Front Sensor blocked See Owner’s Manual" warning message continues to be displayed, have the system checked. It is recommended that you visit a NISSAN dealer for this service.
Condition C
When the radar sensor of the front bumper is covered with dirt or is obstructed, the I-FCW system will automatically be canceled.
The "Forward Driving Aids temporarily disabled Front Sensor blocked See Owner’s Manual" warning message will appear in the vehicle information display. The AEB with Pedestrian Detection system warning light (yellow) will illuminate.
Action to take:
If the warning message appears, stop the vehicle in a safe place, place the shift lever in the P (Park) position, and turn the engine off. When the radar signal is temporarily interrupted, clean the sensor area of the front bumper and restart the engine. If the "Forward Driving Aids temporarily disabled Front Sensor blocked See Owner’s Manual" warning message continues to be displayed, have the system checked. It is recommended that you visit a NISSAN dealer for this service.
Condition D
When driving on roads with limited road structures or buildings (for example, long bridges, deserts, snowfields, driving next to long walls), the system may illuminate the system warning light and display the "Forward Driving Aids temporarily disabled Front Sensor blocked See Owner’s Manual" warning message.
Action to take:
When the above driving conditions no longer exist, turn the system back on.
NOTE:
If the AEB with Pedestrian Detection system stops working, the I-FCW system will also stop working.