1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].)(See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
2. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION.)
3. Disconnect the key reminder switch connector.

4. Detach the key reminder switch tabs.

5. Remove the key reminder switch.
6. Install in the reverse order of removal.
Key Reminder Switch Inspection
Power Systems Personalization Features Setting ProcedureCoupler Component Removal/Installation [Fw6 A EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Always wear protective eye wear when using the air compressor. If the air
compressor is used, any particles of dirt or soiling could spatter and get into
the eyes.
...
Climate Control Unit Removal/Installation [Manual Air Conditioner]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper panel.
b. Shift lever knob (MTX).
c. Selector lever knob (ATX).
d. Shift panel.
e. Side wall.
f. Console.
g. Front scuff plate.
h. Front side trim.
i. Dashboard under cover.
j. Glove compartment. ...
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.
...