Warning
Fuel Line Safety Procedure
1. Remove the fuel-filler cap and release the pressure in the fuel tank.
2. Remove the fuel pump relay.

3. Start the engine.
4. After the engine stalls, crank the engine several times.
5. Turn the ignition switch to LOCK position.
6. Install the fuel pump relay.
Fuel system
After repair procedureMazda 6 Service Manual: Immobilizer System
The immobilizer system allows the engine to start only with a key the system
recognizes.
If someone attempts to start the engine with an unrecognized key, the engine
will not start, thereby helping to prevent vehicle theft.
If you have a problem with the immobilizer system or the key, consult ...
Mazda 6 Service Manual: Cruise actuator removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
Cover Removal Note
Unclamp the clips of the heater hoses at the front of the cover.
...