See also:

Interior rearview mirror
Reducing the blinding effect From behind when driving at night: turn the knob. ...

Two additional gears mean threefold progress: quicker shifts, greater smoothness, enhanced efficiency.
The wider spread of ratios allows the engine to run at lower speeds, often in the "tallest" gear, 8th. Yet even with this wider spread, the steps between adjacent gears are reduced; in t ...

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. ...