If the selector lever will not move from P using the proper shift procedure, continue to hold down the brake pedal.

Take the vehicle to an Authorized Mazda Dealer to have the system checked.
Shift-Lock System
Manual Shift ModePassenger Compartment Temperature Sensor Inspection [Full Auto Air Conditioner]
1. Measure the temperature around the passenger compartment temperature sensor
and measure the resistance between passenger compartment temperature sensor terminals
B and D.
If the characteristics of the passenger compartment temperature sensor are
not as shown in the graph, repla ...
Rear Heat Duct Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper panel.
b. Shift lever knob (MTX).
c. Selector lever knob (ATX).
d. Shift panel.
e. Side wall.
f. Console.
g. Front scuff plate.
h. Front side trim.
i. Fuel-filler lid opener lever cover.
3. Turn ...
Transaxle Oil Inspection [G66 M R]
1. Park the vehicle on level ground.
2. Remove the aerodynamic under cover No.2..
3. Remove the oil level plug and washer.
4. Verify that the oil is near the brim of the plug port.
If the oil level is lower than the low level, add the specified amount and
type of oil through the ...