The front brake rotors can warp and cause a vibration when braking. The rotors will need to be machined or in cases where they are worn to thin, replaced to correct this issue.
Resources for the Repair and Maintenance of your 2010 Honda Civic Si
2010 Honda Civic Si
2010 Honda Civic Si Problems
Plugged moon roof drains can cause a water leak inside the car, usually over the head of the driver or passengers head when turning a corner. Cleaning the drains will fix this problem.
On some models the drivers and or the front passenger door glass will come out of it's track. The door glass will have to be replaced to address this issue.
The airbag warning light (SRS) may illuminate due to a defective occupant position sensor. Honda has a recall campaign to replace defective sensors on affected cars.
On some models with automatic transmissions, during a cold start at high altitude the brake pedal feels hard. Replacing the power brake booster and updating Powertrain Control Module (PCM) the with a Honda software update is needed for this issue.
2010 Honda Civic Si Questions and Answers
Everyone I've ever met who owns an 8th gen Civic Si has experienced grinding in 2nd, 3rd or both 2nd and 3rd gears at high RPMs. Why are there no reports of this issue on this website, and wh...