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 ControlsCamshaft 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.
...
Front Drain Hose Installation
CAUTION:
If the front drain hose is pinched or bent anywhere, the water in the hose
may not discharge and enter the inside of the vehicle. During and after installation
of the trims and the headliner, always make sure there is no interference with
the front drain hose. Fix any probl ...
Fuel Tank 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 ...