1+ Reversing aid module  
2+ Sensor  
3+ Sensor mounting bracket  
4+ Reversing aid speaker  
5+ Tube rivet  
6+ Flanged nut  
7+ Push in fastener  
8+ Park aid kit  
9+ Sensor mounting bracket  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.