Upshifting
For normal acceleration, Mazda recommends these shift points:

For cruising, Mazda recommends these shift points:

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 (GSI)Mazda 6 Owners Manual: Clutch pedal adjustment
Clutch Pedal Height
Measure the distance from the upper surface of the pedal pad to the carpet.
If not as specified, adjust the pedal height by turning adjustment bolt
B and locknut A.
Pedal height(with carpet)
L.H.D.: 210-216 mm {8.27-8.50 in}
R.H.D.: 209-215 mm {8.23-8.46 in}
...
Mazda 6 Owners Manual: Excessive Speed Warning
If the vehicle speed exceeds the speed limit sign displayed on the active driving
display, the warning sound is activated and the area around the speed limit sign
displayed on the active driving display flashes 3 times in amber, and if the vehicle
speed continues to exceed the displayed speed ...