I have had the Civic Si sedan for not even a year (13K miles on it). Shifting to third is notchy and it feels like there is something blocking the shifter from engaging third. The passenger airbag off indicator comes one when nothing is in the passenger seat. The indicator is supposed to be off when there is nothing in the seat but because there are no error codes registered when the light comes on the engineers at American Honda said there is nothing wrong with the car and refuse to authorize any repairs. On at least 5 occasions nothing happened when I turned the key to start the car. The starter spins but does not engage.
The car is fun to drive but that's about it.
Improve customer service. The transmission problem is well known with the Si but American Honda refuses to fix it. The air bag indicator is not being fixed because the Engineers at American Honda came to the conclusion there is nothing wrong with the car. Don't buy a Honda.