1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level sensor terminals.

If not as indicated in the table, replace the reserve tank.

Brake Switch InspectionSaving Fuel and Protection of the
Environment
How you operate your Mazda determines
how far it will travel on a tank of fuel. Use
these suggestions to help save fuel and
reduce CO2.
Avoid long warm-ups. Once the engine
runs smoothly, begin driving.
Avoid fast starts.
Drive at lower speeds.
Anticipate when to apply the brakes
(a ...
Gear Shift Indicator
The gear shift indicator supports you to
obtain optimum fuel economy and smooth
driving. It displays the selected gear
position in the instrument cluster as well
as notifies the driver to change to the most
suitable gear position corresponding to the
actual driving condition.
CAUTI ...
Variance Between Actual Road Conditions and Displayed Image
Some variance occurs between the actual road and the displayed road. Such
variance in
distance perspective could lead to an accident. Note the following conditions
that may cause
a variance in distance perspective.
When the vehicle is tilted due to the weight of passengers and load
When the ...