1. Measure the gap and height between the front door and the body.
2. If not as specified, loosen the door hinge installation bolts or the door lock striker installation screws, and reposition the door.
Clearance
a: 2.5-4.5 mm {0.10-0.18 in} b: -1.0-1.0 mm {-0.04-0.04 in} c: 4.0-8.0 mm {0.16-0.31 in}

3. Tighten the bolts or screws.
Trunk lid disassembly/assembly
Stay damper disposalMazda 6 Service Manual: Manually Shifting Up
You can shift gears up by operating the selector lever or the steering shift
switches (some models).
M1 → M2 → M3 → M4 → M5 → M6
Using selector lever
To shift up to a higher gear, tap the selector lever back (+) once.
Using steering shift switch (some models)
To ...
Mazda 6 Service Manual: Rear Cross Traffic Alert (RCTA) (Some models)
The Rear Cross Traffic Alert (RCTA) system is designed to assist the driver in
checking the area to the rear of the vehicle on both sides while the vehicle is
reversing by alerting the driver to the presence of vehicles approaching the rear
of the vehicle.
The Rear Cross Traffic Alert (RCTA) ...