We’re well into November now, and after the mild autumn days, the drop in temperature is becoming more and more noticeable. As the cold, foggy mornings arrive and your windshield greets you with a layer of ice, your car also needs some extra care. Winter car maintenance is not just about comfort — it’s about safety, too. With a bit of attention, you can prevent unpleasant surprises and enjoy peace of mind on the road.

In this article, we’ll go step by step through how to prepare your car for the winter season — with plenty of practical tips along the way.

Check the Battery

Cold weather is your battery’s biggest enemy (though, as we’ve discussed before, high temperatures can also affect its performance). At low temperatures, its efficiency drops, while your engine requires more power to start. If your battery is already 3–4 years old, it’s worth checking its voltage or taking it to a professional for testing. With a digital battery tester, you can easily check its condition at home.

A useful tip: keep jumper cables or a powerbank-style jump starter in your trunk, so you’re never stranded on the roadside. The battery is one of your car’s most critical components — ignoring its condition is simply not an option.

Check the Engine Oil and Fluids

The viscosity of engine oil changes in cold weather, so if you still have summer oil in your car, switch to a winter-grade oil (e.g., 5W-30). The windshield washer fluid should also be changed — the summer mix can freeze and even crack the reservoir.

Don’t forget the coolant (antifreeze) either! With an antifreeze tester, you can quickly check how many degrees below zero it protects. A mix that protects down to -25°C is sufficient for most cars.

Winter Tires – the Foundation of Safety

If you haven’t done so yet, replace your summer tires with winter ones. Below 7°C, the rubber compound of summer tires hardens and loses grip. Check the tread depth (at least 4 mm recommended) and the manufacturing date — after 5–6 years, it’s better to replace the set even if it still looks fine.

Check your tire pressure regularly in cold weather, as it can drop by 0.2–0.3 bar due to lower temperatures.

All-season tires are improving, but always consult your mechanic before switching.

Check the Brakes and Lights

Slippery and foggy roads make it essential that your brakes work perfectly. Pay attention to unusual noises and check the brake fluid level — poor brakes are a major safety risk.

Lightning is equally critical: with shorter days, heavy fog, and rain, you’ll drive more in the dark. Make sure all bulbs work properly and keep a spare bulb kit in your car — it’s mandatory in many countries.

Clean and Protect the Exterior

Salted roads can severely damage your car’s underbody and paintwork. A thorough autumn wash and waxing helps prevent rust. If possible, get an underbody protection treatment from a workshop.

Use silicone spray on rubber seals to prevent doors from freezing shut. Replace wiper blades if they leave streaks — in winter, every inch of visibility matters.

Keep the Interior Clean

Moisture and mud are constant guests in winter. Use rubber floor mats, which are easy to clean and waterproof.

Clean the air vents regularly to prevent windshield fogging, and check the pollen filter, as a dirty one can cause both fogging and bad odors.

Keep a Winter Emergency Kit

You never know when you might get stuck in snow or on a closed road. A basic winter car kit can save you a lot of trouble:
•    ice scraper and shovel
•    blanket or warm clothes
•    flashlight
•    gloves
•    jumper cables
•    some sand or cat litter for traction

These take up little space but can be life-savers in an emergency.

If you rarely use your car, start it at least once a week in winter. This keeps the battery charged and prevents the fluids from settling. Avoid very short trips (1–2 km), as the engine won’t warm up enough and condensation may build up in the oil.

Summary

Winter car maintenance isn’t complicated, but small details can make a big difference for safety and comfort during the cold months. With just a little care, you can extend your car’s lifespan and avoid unpleasant surprises.

If you’re unsure which motor oil, battery, or antifreeze suits your vehicle, consult an expert or check your car manufacturer’s recommendation.