Where is the location of 2006 gasoline filter & how to chenge the

I would read 'Back Up' as reversing lights and camera if equipped.

Fuse Box Diagram Honda Odyssey (RL3/RL4; 2005-2010)

https://fuse-box.info > honda > honda-odyssey-rl3-rl4-...

The interior fuse boxes are located under the dashboard on the driver's and passenger's side. The location of the fuses in the passenger compartment: Honda ...

Honda Odyssey (2006 - 2007) - fuse box diagram

https://www.autogenius.info > honda-odyssey-2006-20...

May 14, 2017 - Primary engine compartment fuse box ; 1, 10, Left Headlight Low ; 2, 30, Rear Defroster Coil ; 3, 10, Left Headlight High ; 4, 15, Small Lights.

https://www.google.com/search?q=2006+honda+odyssey+fuse+15

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burns Gasoline (petrol)
USA car, are all in side the fuel tank on the fuel pump rack
by EPA laws USA>? a fact of life.
go to GM Buick oem parts pages, online google them.
see all parts on the car.
see there is no fule filters outside the tank.

this law reduces fuel gas fumes. to the air we breath.
or using only eyes, follow the gas line from fuel rail to take
oops no filter there

why 3, try to buy it,?
oops not sold.
see a trend.? LOL
oops none just this.
each pump says, it is here in the rack but not sold by itself.
https://www.rockauto.com/en/catalog/buick,2006,terraza,3.9l+v6,1432557,fuel+&+air,fuel+pump+&+housing+assembly,10147

the pump also has bottom sock, to catch dead bugs etc.
called strainer not a true 40micro filter, up top
delphi has filter upgrade in the rack.

This is alerting you to a need for the 2B service and that is likely an oil and filter change, the 15% means you have that much oil life left before a change of oil is needed.

Fuel Filter The fuel filter is part of the fuel tank module. (in the fuel tank)

It's kind of difficult to drop a fuel tank and replace the fuel tank module due to the weight and danger of gasoline catching fire or exploding.

2006 HONDA ODYSSEY 3.5L 6-cyl Engine Code J35A7 2006 HONDA ODYSSEY 3.5L 6-cyl Engine Code J35A6

Engine Oil Grade 1......API* All TEMPS......5W-20 synthetic oil or conventional. Brand name you preference. Fram oil filter Part #PH7317 Honda oil filter part #15400-PLC-003 or 004
CAPACITIES: Engine, with filter..........4.3 liters After refill check oil level. Torque Oil Drain Plug.....29 ft/lbs

The Cabin air filter is located behind the glove box, There is a plastic cover that must be removed to change the filter, if the filter has never been changed a plastic bracket may have to be removed also.

Open the glove compartment and release the stops on either side to allow it to drop all the way down. Behind it there should be a plastic cover about 4-6" long and 1" tall with tabs on one or both sides. Remove the cover and pull the filter tray out. Replace filter (or filters) and reassemble.

Remove the glove box housing. Remove the dust and pollen filter assembly from the evaporator. Remove the filter from the housing, and replace the filter. Install in reverse order.

Nope. There is a drain plug on the transmission case. It is a simple drain and fill. Odyssey transmissions do not have a filter.

I will never understand why this service is so expensive at the dealership.
I made a video showing how this is done:   (I would recommend watching the video in HQ and full screen)