Mazda 6 Service Manual: No.2 vehicle moves in n position

No.1 vehicle does not move in d, s, l ranges, or in r position

No.3 vehicle moves in p position, or parking gear does not disengage when p is disengaged

Other materials:

Mazda 6 Service Manual: Distance Recognition Support System (DRSS) (Some models)
The Distance Recognition Support System (DRSS) measures the distance between your vehicle and a vehicle ahead using a radar sensor (front) while the vehicle speed is about 30 km/h (19 mph) or faster, and if your vehicle approaches a vehicle ahead more closely than what is appropriate for maint ...

Mazda 6 Service Manual: Brake pedal removal/installation
1. For ATX model, remove the lock unit with brake switch (R.H.D. only). 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. Brake switch Installation Note 1. Fix the brake switch on a bracket with pressing down at 50 N {5.1 kgf·m, 37 ft·lbf}. 2. Ro ...