Upshifting
For normal acceleration, Mazda recommends these shift points: (U.S.A. and Canada)

For cruising, Mazda recommends these shift points: (U.S.A. and Canada)

Downshifting
When you must slow down in heavy traffic or on a steep upgrade , downshift before the engine starts to overwork. This reduces the chance of stalling and gives better acceleration when you need more speed.
On a steep downgrade , downshifting helps maintain safe speed and prolongs brake life
Gear Shift Indicator
Automatic Transaxle ControlsJoint Shaft Disassembly [Mzr 2.0, Mzr 2.5]
1. Disassemble in the order indicated in the table.
1
Joint shaft component
.
2
Bearing
.
3
Dust seal (LH)
4
Joint shaft
5
Dust seal (RH)
...
Relay Block Inspection [With Advanced Keyless Entry And Push Button Start System]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Driver-side front scuff plate.
b. Driver-side front side trim.
c. Hood release lever.
d. Upper panel.
e. Shift knob (MTX)(See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION
[G66M-R].)(See MANUAL TRANSAX ...
On/Off Solenoid Removal/Installation [Fw6 A EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Always wear protective eye wear when using the air compressor. If the air
compressor is used, any particles of dirt or soiling could spatter and get into
the eyes.
...