Does econ mode in a 2012 Honda civic really do anything?

I know it shifts sooner and the ac doesn't run as hard or as good.

Is a car from 1999 considered a classic care?

I have a 1999 Honda Civic, would that be considered a classic car?

What is the best MPG you ever got and in what car?

I got 60mpg in a Honda Civic for 70 miles once. But been able to replicate it. Normally get 50mpg.

Size of the 99 Honda civic si Brake Master cylinder size? Is it a 7/8 or 15/16?

Does anyone knows the size of the 99 Honda civic si Brake Master cylinder size? Is it a 7/8 or 15/16?

Does plasti-dipping the rims/front grill void any warranty or lease terms?

My friend leased his 2017 Civic, and he wants to put a coating on the rims cause he wants it all black and also the front grill.

He said the plasti dip comes off very easily so if Honda does a tire rotation and they notice its black he can just tell them that it comes off.

Like its not like he is physically changing anything to the car.

I have a 00 honda civic dx, I'm doing a rear disc brake conversion, do i need to change the master cylinder on my car?

I have a 00 honda civic dx, I'm doing a rear disc brake conversion, do i need to change the master cylinder on my car?

Honda civic SiR 2000 vs Lancer gsr 2 door?

I don't know about cars but i want to know which is better in stock engine performance etc. And why it's better thanks for the sensible answer

How many months of paystubs do I need in California to lease a car?

I want to lease a compact car like a Honda Civic or a Toyota Corolla. I never leased before. How many months do dealers usually require for proof of income in California?

Honda Civic Type R [FK2] - Check enginelamp?

CheckEngine lamp turns on when I accelerating abit "harder" with my car.
First it was flashing, but when I restart the car it's turned off.
But when I accelerate again it now instead turns on. The engine/car itself seems abit throttled. The engine temperature are still normal and the car without full acceleration works as it should.

Any ideas?

2012 Honda Civic lx sedan mpg?

My Honda is getting horrible gas mileage, I'm averaging 20 city and about 35 highway. I wanted to know why I'm getting horrible MPG. I checked my air filter, but I don't know what else. Keep in mind that I just bought the car not even 2 months ago.