Download 2018 Honda Ridgeline Backup Sensors Installation Instructions – 1. Disconnect the negative cable from the battery: • Wrap a shop towel around the hood latch. • Remove the front bulkhead cover. • Remove the intake air tube. • Disconnect the negative cable from the battery. 2. Pull away the door opening seal and remove the driver’s dashboard side lid. 3. Remove the driver’s dashboard lower cover release the vehicle sensor. 4. Remove the driver’s door sill trim.
5. Pull away the door opening seal and remove the driver’s kick panel. 6. Remove the left rear door sill trim. 7. Remove the left B-pillar lower trim cover. 8. Remove the left B-pillar lower trim. 9. Raise the rear seat cushions. Remove the left rear under-seat trim panel. 10. Remove the right rear under-seat trim panel (four clips). 11. Remove the left and right rear seat mount covers. 12. Remove the lower middle rear seat mount cover. 13. Remove the nine bolts. Torque the bolts to 41.0-53.0 N·m (30-39 lb·ft).