[5] The 3000 series trains were introduced into service on 19 October 2008, coinciding with the opening of the Keihan Nakanoshima Line.

[7] The new cars allow premium services to be provided on all daytime express trains.

[8] While the outgoing cars' future was undecided at the time, it was confirmed that they will not be scrapped.

[8] They also feature compact "Infoverre Window Series Bar Type" external LCD destination displays.

The introduction of the Premium Cars led to the 3000 series receiving the Laurel Prize again in 2022, with the Japan Railfan Club citing the cars' "high degree of perfection".