The ODB port is under the dashboard, above the pedals.
You can change the 2 presses to open all door to one press via the Settings Menu in the DIS. It's in the Convenience section. Auto Locking needs to be disabled with VCDS / VAG-COM
The platform is quite susceptible to miss aligned rear suspension geometry. Usually the rear toe is out. This causes skittish characteristics and uneven tyre wear. The only cure is for a full geometry check using a Hunter or similar machine, and someone that knows how to use it. For the best results, it's best done on new tyres. It's worth getting a price from the dealers for this as they are often very competitive for this job and do it properly.
