1. Remove the headliner.
2. Remove the nuts.
3. Remove the roof carrier bracket.

4. Install in the reverse order of removal.
Rear spoiler removal/installation
MoldingMazda 6 Service Manual: Liftgate disassembly/assembly
1. Disconnect the negative battery cable.
2. Remove the liftgate lower trim.
3. To remove the liftgate outer handle and liftgate key cylinder, remove the
rear finisher.
4. To remove the stud ball, separate the stud ball and the stay damper.
5. Disassemble in the order indicated in the table.
...
Mazda 6 Service Manual: Child-Restraint System Types
In this owner's manual, explanation of child-restraint systems is provided for the following three types of popular childrestraint systems: infant seat, child seat, booster seat.
NOTE
Installation position is determined by the type of child-restraint system. Always read the manufacturer' ...