In autostrada non premo mai troppo l’acceleratore quando piove.

In Italian, in autostrada is the normal idiomatic way to say on the motorway / on the highway.

Even though English uses on, Italian often uses in with means of transport routes or environments like this:

• in autostrada
• in strada
• in città

Sull’autostrada is not the usual choice here. A native speaker would normally say in autostrada.

Italian usually drops subject pronouns when they are not needed, because the verb ending already shows who the subject is.

Here:

• premo = I press

So io is understood automatically.

You could say io non premo mai troppo l’acceleratore, but that would usually add emphasis, as if you were contrasting yourself with someone else.

Premo is the present indicative of premere.

Italian uses the present tense not only for what is happening now, but also for:

• habits
• general behavior
• repeated actions

So here the present means something like as a rule / generally / whenever this situation happens.

It is a habitual statement, not necessarily something happening at this exact moment.

Yes, it does — and that is completely normal in Italian.

In Italian, non ... mai means never:

• non premo mai = I never press

This is one of the most important differences from English. In standard English, a double negative is usually avoided, but in Italian it is the normal structure.

A useful pattern to remember:

• non ... mai = never
• non ... nessuno = nobody / not anyone
• non ... niente = nothing

In a simple sentence like this, mai usually comes after the verb:

• non premo mai

That is the standard placement for never in Italian.

So the structure is:

• non
  • verb + mai

Example:

• non mangio mai carne
• non vado mai lì

Here troppo means too much or excessively.

It modifies the action of pressing:

• non premo mai troppo l’acceleratore = I never press the accelerator too much

So the idea is not simply I never press the accelerator, but rather I never press it excessively.

In Italian, adverbs like troppo often come after the verb:

• mangio troppo
• parla troppo
• spinge troppo

Italian uses articles much more often than English, especially with general objects and body parts.

So l’acceleratore is natural here:

• premere l’acceleratore
• literally, press the accelerator

Leaving out the article would sound wrong in normal Italian.

This happens a lot:

• apro la porta
• chiudo la finestra
• muovo la testa

English sometimes omits or changes the article, but Italian usually keeps it.

Because of elision.

The masculine singular article il becomes l’ before a word beginning with a vowel:

• il libro
• l’acceleratore
• l’amico

So:

• il + acceleratore → l’acceleratore

This is very common in Italian.

Yes, in everyday Italian l’acceleratore normally refers to the accelerator pedal / gas pedal in a car.

Even though the word can be understood more generally as accelerator, in this context it clearly means the pedal you press while driving.

A native speaker would understand it immediately that way.

Quando piove is the most natural choice for a general, repeated situation:

• when it rains

Italian often uses the simple present for these habitual or general conditions.

Quando sta piovendo would mean something closer to:

• when it is raining right now / when it’s in the process of raining

That form is possible in some contexts, but here it sounds less natural because the sentence is about a general driving habit.

Because verbs about weather in Italian are usually used impersonally.

So:

• piove = it rains / it is raining
• nevica = it snows
• grandina = it hails

Italian does not usually add a separate word for it in these expressions. The verb alone is enough.

Yes. Italian word order is fairly flexible, especially when the meaning is already clear.

For example, you could also say:

• Quando piove, in autostrada non premo mai troppo l’acceleratore.
• Non premo mai troppo l’acceleratore in autostrada quando piove.

These versions are still understandable, but the original sentence sounds very natural and balanced.

Changing the order mainly changes focus or emphasis, not the basic meaning.

Yes, that is possible:

• In autostrada non accelero mai troppo quando piove.

That sounds natural too, and it focuses more on the action of accelerating rather than on physically pressing the pedal.

The original sentence with premo l’acceleratore is also perfectly natural, but it is slightly more concrete and physical:

• premo l’acceleratore = press the accelerator
• accelero = accelerate

Both work; the choice depends on style and nuance.