Perhaps you are not easing off on the accelerator when using the clutch.
you would get this from a worn clutch .
Gearbox oil needs changing.
The pedal on the left is the clutch. You press it when you are changing gears.
you have to shift gears
it has a light that comes on to tell you when to change gears in a manual car, really just for show and the light can be adjusted to come on at whatever rpm you desire as long as the car can rev as high as it is set before the revs stall. in reality you change gears by ear and not even by looking at the taco let alone a light.
rapidly changing gears in anything will hurt the vechicle but not slowing down will not
the clutch pedal
well its simple....its a computer game. but you have the choice between auto or manual, but that doesn't exactly mean your car is going to be auto or manual in gear changing. all it is simply asking is would you like to change gears manually yourself or have the computer game change it automatically. in the game you need to have the car change gears for the turbo etc.....
Either your gears are not locking at the start or you are in park or neutral or emergency brake on.
Manual transmission is when you use the shift stick to shift to different gears in a car instead of driving without shifting gears,which is auto transmission.
My megane scenic was doing this and then suddenly yesterday the whole car started to judder badly as i was driving and when I revved the car black smoke came from the exhaust. AA man came out and said one of the coils had dropped and that was a common fault on the car. Now its corrected the car is really smooth again, gears go in no probs and revs are coming down straight away.
If it is an automatic transmission, the speed of the engine (in rpm) is what makes the gears change. Accelerate too much and it will fly up through the gearbox when it is not supposed to. If it is a manual transmission, the gears shouldn't change without the clutch being depressed and you manually changing gear; at most, it will simply disengage and cease turning the wheels.
Manual gears are more versatile than an automatic gearbox