The gear shifter allows the driver to change gears on a manual transmission. For automatic vehicles, this is called the gear selector or “PRNDL.” With a manual transmission, the driver has to step on the clutch pedal to disengage the clutch and transmission from the engine.

An automatic transmission shifter assembly comprises a shift lever support configured for attachment to a vehicle, a shift lever mounted to the shift lever support to shift between transmission gear settings; a brake transmission system interlock (BTSI) comprising a shift lever control member controllable by actuation ...

A custom weighted shift knob can help you shift gears faster and more accurately, which can improve your acceleration, cornering, and overall driving experience.

What is the button on the side of my gear shift? Most automatic gearboxes made after 1990 have 2 buttons on the gear shift. One is to allow the move into and out of park. The other is for overdrive gear on/off.