Download 2015 Honda Accord 4-Door Backup Sensors Installation Instructions – 1. Disconnect the negative cable from the battery. 2. Remove the trunk floor (two clips). 3. Remove the trunk rear trim panel (six clips and five hooks). 4. Pull the lever to fold the rear seat back forward. 5. Push on the two tabs, and remove the cargo hook. 6. Pull away the weatherstrip. Remove the left trunk side trim panel (six clips). 7. If equipped, remove the trunk panel (ten clips). 8. Remove the rear bumper. • On each side of the vehicle, attach masking tape to the rear bumper, taillight, and rear fender as shown. • Remove the two bumper screws, four self-tapping screws, and four clips. • Release the seven retaining tabs on each side of the bumper. • Release the three retaining tabs on each side of the bumper. • With the help of an assistant, remove the rear bumper (four retaining tabs). • Place the rear bumper on a blanket. 9. Mark the inside of the rear bumper: • Locate the four scribe marks on the inside of the rear bumper at the center and left side. • Using a pushpin, pierce the rear bumper at the top and center of the two marks. NOTE: There are several markings on the inside of the rear bumper. Before piercing the rear bumper, verify you have the correct locations. NOTE: Make sure to pierce the scribe marks perpendicularly to the rear bumper.