Purpose, Function
An angular ball bearing, with a low rotational resistance, has been adopted, improving driveability.
A unit bearing that does not require pre-load setting has been adopted, improving serviceability.
Cross-Sectional View

Seat Weight Sensor Control Module Removal/Installation [Two Step Deployment
Control System]
CAUTION:
When the seat weight sensor control module is replaced with a new one, perform
the seat weight sensor calibration using the M?MDS..
1. Switch the ignition to off.
2. Disconnect the negative battery cable and wait for 1 min or more..
3. Disconnect the connectors.
...
Air Bag System Service Cautions [Two Step Deployment Control System]
Air Bag System Component Disassembly
Disassembling the air bag system components could cause it to not operate
(deploy) normally. Never disassemble any air bag system components.
Air Bag Module, Pre-tensioner Seat Belt, Lap Pre-tensioner Seat Belt Handling
Oil, grease, or ...
Winter Driving
Carry emergency gear, including tire chains, window scraper, flares, a small
shovel, jumper cables, and a small bag of sand or salt.
Ask an Authorized Mazda Dealer to perform the following precautions: l Have the
proper ratio of antifreeze in the radiator.
• Inspect the battery and its cable ...