The ultimate guide to safe driving in torrential autumn and winter rains

The autumn rains have been slow to arrive, but they are now starting to make themselves felt in much of the peninsula. Given this situation, we wanted to We, along with Norauto, emphasize the importance of inspecting and preparing your vehicle to avoid unexpected events arising from these precipitations, so characteristic of the autumn season. We also remind you that knowing how to react in the event of torrential rain is key to ensuring road safety, especially when these adverse conditions surprise drivers on the road. Here's how to get your vehicle ready in 10 steps.

1. Good condition of the tires

Worn, glazed, or cracked tires result in reduced grip and reduced road holding. The brand reminds us that tread depth should not be less than 1.6 millimeters and recommends not going below 3 millimeters for greater grip in wet conditions.

You can check tread wear by locating the warning signs on the tread , which can vary from brand to brand, ranging from the manufacturer's logo to a triangle or the acronym TWI (Tread Wear Indicator). If the tire is close to this wear limit, it means it needs to be replaced.

2. Tires suitable for rain

These are popularly known as winter tires and all-season tires . Winter tires provide excellent performance in rain, ice, or snow, and are designed to adapt to cold weather conditions and difficult roads. All-season tires are suitable for year-round use, as they simultaneously offer all the characteristics of winter and summer tires.

3. Liquid levels

The vehicle's fluids should be checked and topped up if necessary, especially the oil, coolant (level and temperature), brake fluid, power steering fluid, and, of course, windshield wiper fluid.

4. Correct operation of the brushes

Both the front and rear windows must be able to properly sweep and clean the windshield.

Many wiper blades are in poor condition after the summer due to prolonged exposure to the sun and high temperatures, as the rubber film degrades. Added to this is the fact that they become deformed if they haven't been used for a long time. Therefore, many cars arrive in the fall with wiper blades in poor condition , and it's important to check them and replace them if necessary.

5. Operation of the air conditioner

With the drop in temperatures it is normal for the crystals to begin to become fogged up, which happens because the difference in temperature outside the vehicle compared to the interior. In this regard, it is recommended to make proper use of the vehicle's automatic anti-fogging system, both front and rear. If this system is not available, You can direct the air conditioning to the maximum towards the windows to eliminate fogging .

6. Operation and condition of the brakes

It's essential to check that the pads and discs are in good condition and that the vehicle brakes properly. Keep in mind that braking distance increases in rain.

7. Correct operation and leveling of the lights

There should be no burnt-out lights , and they should be level to avoid glare. Remember to turn on the side and dipped beam headlights. in case of not counting the Daytime running lights, during rainy weather, increase visibility. Fog lights are only necessary if the rain is very heavy.

8. No indicators on the dashboard

If you have the slightest doubt, it's recommended to have your vehicle electronically inspected, especially if it has a wide variety of driver assistance systems known as ADAS . Their proper functioning is vital.

9. Clean car

If your windshield is covered in grease and dirt, it will deteriorate with the first drops of rain, greatly impairing visibility. A clean car is also more visible.

10. Equip the car with everything you need

In January 2026, the use of the connected and approved V16 warning sign will be mandatory. It will replace triangles and offer optimal vehicle visibility in the event of a breakdown, accident, or any other type of road incident. This is only if the vehicle is on a road with no change in grade or curve, because in that case, the warning light will not be seen by other road users.

In our opinion, the mandatory nature of this device should be reviewed.

It is also advisable to check that all the documentation is in order and, in addition, it is advisable to carry Water, blankets, first aid kit, flashlight, fire extinguisher and the mobile always with battery to be ready for any type of incident.

How to act in the event of torrential rain?

It is recommended Check the weather and traffic conditions frequently to know the forecast and road conditions . Today, technology allows us to access this information in real time, and of course, the radio remains the best ally. Therefore, we must always follow the instructions of the authorities and avoid driving in unfavorable conditions, even if the alert takes a while to arrive.