The shaded areas indicated under body locations that are undercoated to prevent noise and rusting.

Ultra High Tension Steel [Construction]
Glass & WindowsTcs Off Switch, Tcs Off Indicator Light
Purpose/Function
The TCS OFF switch, located on the dashboard, allows for optionally enabling/disabling
the TCS control at driver discretion.
The TCS OFF indicator light, built into the instrument cluster, informs the
driver that TCS control has been disabled by operation ...
Instrumentation/Driver Info. Personalization
A personalization function has been adopted which enables the instrument
cluster settings to be changed.
The Mazda Modular Diagnostic System (M-MDS) is required to perform the setting.
Refer to the Workshop Manual for the detailed setting procedure.
Instrument cluster
...
Rear Bumper Disassembly/Assembly
1. Disassemble in the order indicated in the table.
1
Screw
2
Reflector
3
Rear bumper face
2. Assemble in the reverse order of disassembly. ...