Bulb Check Action And Fail - Safe Indication.

Vehicle condition/Driver's operation	Blind Spot Warning/Blind Spot Intervention indicator	Warning buzzer	Indication on the combination meter
When DTC is detected	OFF	Beep	Courtesy of NISSAN NORTH AMERICA, INC.
When radar blockage is detected	OFF	Beep	Unavailable: Side Radar Obstruction
When the camera detects that the interior temperature is high	OFF	Beep	Unavailable: High Cabin Temp.
When the dynamic driver assistance switch is turned ON with settings of DCA system, LDP system and Blind Spot Intervention system OFF	OFF	-	Blink (Approx. 3 sec.) Courtesy of NISSAN NORTH AMERICA, INC.

: Blinking cycle when the side radar blockage condition or lane camera unit high temperature condition 

Fig 1: Side Radar Blockage Condition Blinking Cycle

Courtesy of NISSAN NORTH AMERICA, INC.