Buy OEM 2011 Lexus Part # 8983760020 (89837-60020). Air Bag Impact Sensor (Rear). Air Bag Crash Sensor - Repair or Replace An airbag or SRS light can sometimes indicate a problem with the

SENSOR, REAR FLOOR SIDE AIR BAG

Fits GX 460

Air Bag Crash Sensor - Repair or Replace
An airbag or SRS light can sometimes indicate a problem with the impact sensor on your 2011 Lexus , particularly if it's been involved in a collision—at any speed. Have a technician inspect your vehicle's crash sensor.