NOTE
Arming
The system is armed when the ignition is switched from ON to off.
The security indicator light in the instrument cluster flashes every 2 seconds until the system is disarmed.

Disarming
The system is disarmed when the ignition is switched ON with the correct programmed key. The security indicator light illuminates for about 3 seconds and then turns off. If the engine does not start with the correct key, and the security indicator light remains illuminated or flashing, try the following:
Make sure the key is within the operational range for signal transmission.
Switch the ignition off, and then restart the engine. If the engine does not start after 3 or more tries, contact an Authorized Mazda Dealer.
NOTE
Make sure to bring all the keys to an Authorized Mazda Dealer so that they can be programmed.
Immobilizer System
Theft-Deterrent System (Some models)Mazda 6 Owners Manual: Replacing a Tire
WARNING
Always use tires that are in good condition: Driving with worn tires
is dangerous. Reduced braking, steering, and traction could result in an accident.
Replace all four tires at the same time: Replacing just one tire
is dangerous. It could cause poor handling and poor braking resulting ...
Mazda 6 Owners Manual: Manual transaxle removal/installation
1. Remove the battery, battery tray and battery bracket.
2. Remove the air cleaner compornent. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
3. Remove the wheels, tires and splash shields.
4. Remove the under cover.
5. Remove the steering gear and power steering pipe. (See STEERING GEAR AND
...