Simple: remove the small piston on the right side of the open glove box. Squeeze in the sides of the box to bypass the stops in the back of the box. It will fall forward. While you are at it open the long door behind the box and replace the "Cabin Air Filter' while you have it open.
I own both a 2008 tundra and a 2003 4Runner. Both of them have a cabin filter behind the glove box. Remove the glove box door and you will find it.
The 2004 Toyota 4Runner has 24 valves.
The 2004 Toyota 4Runner has a V6 engine.
The 2004 Toyota 4Runner has a 4-speed automatic.
The 2004 Toyota 4Runner is a gas-powered vehicle.
The curb weight of the 2004 Toyota 4Runner is 4035 lbs.
The 2004 Toyota 4Runner is 15 ft. 9 in. (189 in.) long.
The 2004 Toyota 4Runner has a 24 degrees angle of departure.
The height of the 2004 Toyota 4Runner is 5 ft. 9.1 in. (69.1 in.).
The maximum payload of the 2004 Toyota 4Runner is 1295 lbs..
The 2004 Toyota 4Runner runs on regular unleaded.
The 2004 Toyota 4Runner has double overhead cam (DOHC).