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 ControlsFuel Filter (High Pressure) Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin and eyes. To prevent this, always complete the “Fuel
Line Safety Procedure”, while referring ...
Ignition Coil Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
1
Plug hole plate bracket
2
Connector
...
Variable Valve Timing Actuator Removal/Installation [Mzr 2.0, Mzr 2.5]
NOTE:
Variable valve timing actuator can not be disassembled because it is a
precision unit.
Intake camshaft sprocket is integrated with the variable valve timing actuator
and cannot be disassembled.
1. Remove the battery cover..
2. Disconnect the negative battery cable ...