The system operates only when the driver is in the vehicle or within operational range while the key is being carried.
Starting the Engine
NOTE
If the vehicle is started and the key is not in the vehicle, the vehicle will not restart after it is shut off and the ignition is switched to off.
With the advanced keyless function

Without the advanced keyless function

NOTE
The engine may not start if the key is placed in the following areas:
Transmitter
Key Suspend FunctionMazda 6 Owners Manual: Liftgate side trim removal/installation
1. Remove the liftgate upper trim.
2. Position the strap hanger as shown in the figure.
3. Pull the liftgate side trim toward you, then disengage clips A, pin B and
the strap hanger from the body and pin B, hook C, D from the liftgate lower
trim.
4. Remove the liftgate side trim.
5. Remo ...
Mazda 6 Owners Manual: Immobilizer system reprogram procedure
Note
When an error occurs during the reprogram procedures, except when
the PCM is replaced, repeat the procedure from Step 1. If you still cannot
reprogram, confirm how many keys can start the engine. Then, perform the key
replacement or addition reprogram procedure according to the val ...