1. Disconnect the negative battery cable..
2. Remove the column cover upper..
3. Remove the ignition key illumination bulb.

4. Install in the reverse order of removal.
Ignition Coil/Ion Sensor Removal/Installation [Skyactiv G 2.0]
Spark Plug Inspection [Mzr 2.0, Mzr 2.5]Stop Vehicle in Safe Place Immediately
If any of the following warning lights turns on, the system may have a
malfunction. Stop the
vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
...
Combination Switch Removal/Installation
CAUTION:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
1. Switch the ignition to off.
2. Disconnect the negative batte ...
Rear Shock Absorber Removal/Installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
1
Rear shock absorber upper nut
2
Rear shock absorber under bolt
3
Rear shock absorber
...