The system operates only when the driver is in the vehicle or within operational range while the key is being carried.
NOTE When the battery power is low, or in places where there are high-intensity radio waves or noise, the operational range may become narrower or the system may not operate. For determining battery replacement, Refer to Keyless Entry System on .
Locking, Unlocking the Doors and the Liftgate

NOTE The system may not operate if you are too close to the windows or door handles, or liftgate.
Opening the Liftgate/Trunk Lid

Advanced Keyless Entry
Operational RangeTire Rotation
WARNING
Rotate tires periodically:
Irregular tire wear is dangerous. To
equalize tread wear for maintaining
good performance in handling and
braking, rotate the tires every 12,000
km (7,500 miles). However Mazda
recommends to rotate every 8,000 km
(5,000 miles) to help ...
Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfunction resulting from fluctuation in magnetic flux and
cause a deterioration in engine control.
...
Barometric Pressure (Baro) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
NOTE:
Because the BARO sensor is integrated in the PCM, replacing the BARO sensor
includes replacement of the PCM.
1. Connect the M-MDS to the DLC–2.
2. Switch the ignition to ON.
3. Verify that the BARO sensor output voltage (PID: BARO) is within the s ...