La conductora aceleró un poco al salir del garaje, pero decidió no adelantar porque había niebla.

Conductora is the feminine form of conductor, so it means female driver. In Spanish, many nouns referring to people change form depending on gender:

• el conductor = the male driver
• la conductora = the female driver

Because the sentence is about a woman, la conductora is used.

The accent shows both pronunciation and tense.

• acelero = I accelerate
• aceleró = she/he accelerated

So aceleró is the third person singular preterite form of acelerar. The written accent helps distinguish it from other forms.

This is a very common contrast in Spanish.

• aceleró and decidió are completed actions, so the preterite is used.
• había niebla describes a background situation or ongoing condition, so the imperfect is used.

So the sentence is structured like this:

• main events: she accelerated, she decided
• background condition: there was fog

Spanish often uses the imperfect for weather, time, atmosphere, and background descriptions.

Al + infinitive usually means when doing, upon doing, or as ... was doing.

So:

• al salir del garaje = when leaving the garage / as she left the garage

It is a very common structure in Spanish:

• al llegar = when arriving
• al entrar = when going in
• al verlo = when seeing him/it

Here, al is a contraction of a + el, but in this structure it functions as part of the expression al + infinitive.

Because de + el always contracts to del.

So:

• de + el garaje → del garaje

This is one of the two required contractions in Spanish:

• a + el → al
• de + el → del

You must use the contraction unless el is part of a proper name.

After verbs like decidir, querer, preferir, poder, and similar verbs, Spanish often uses no + infinitive to say not to do something.

So:

• decidió no adelantar = she decided not to overtake

The no goes directly before the infinitive it negates:

• decidió no salir
• prefiero no hablar
• quiero no cometer errores (less common, but grammatical)

Here adelantar means to overtake or to pass another vehicle on the road.

It can have other meanings in other contexts, such as:

• to move something forward
• to bring something forward in time
• to make progress
• to advance money

But in a driving context, adelantar usually means to pass/overtake another vehicle.

Spanish usually does not use the definite article when talking about weather conditions or substances in a general, non-specific way.

So:

• había niebla = there was fog
• hay tráfico = there is traffic
• había humo = there was smoke

Using la niebla would sound more specific, as if referring to a particular fog already identified in the context. In this sentence, it is just the general condition, so niebla appears without an article.

Un poco means a little and often comes after the verb it modifies.

So:

• aceleró un poco = she accelerated a little

That is the most natural position here. Spanish adverbs and adverbial expressions are often placed after the verb, especially when they modify the action directly.

Yes, garaje is a standard word in Spain for garage.

In Spain, the g before a is a hard g, so it starts like the g in go. The final -je has the Spanish j sound, a throaty sound similar to the ch in Scottish loch or the German Bach.

Very roughly:

• ga-RA-he

The stress is on ra: ga-RA-je.

Because porque means because, which introduces a reason.

• porque = because
• por qué = why

So in this sentence:

• no adelantó porque había niebla = she did not overtake because there was fog

If you were asking a question, you would use por qué:

• ¿Por qué no adelantó? = Why didn’t she overtake?

Yes. Salir de means to leave, to go out of, or to come out of, depending on context.

So al salir del garaje could be understood as:

• when leaving the garage
• as she came out of the garage
• upon exiting the garage

In English, the most natural translation depends on the situation, but the Spanish structure stays the same.

Yes. Spanish often drops subject pronouns when the verb ending already shows who the subject is.

In this sentence:

• aceleró
• decidió
• había

The forms make the sentence natural without needing ella.

You could say Ella aceleró..., but it is usually unnecessary unless you want emphasis, contrast, or clarity.