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Cold weather changes how a car behaves. Snow, ice, and slush reduce grip. They also make it harder to start, see, and stop.
A little prep before the first storm helps a lot. This guide covers winter tires, your battery, fluids, wipers, heat, and a simple emergency kit.
Start early. Do these checks while the weather is still mild. That way, a small problem does not become a roadside problem.
Key points
- Check tires, battery, fluids, wipers, and heat before winter.
- Winter tires stay flexible in cold weather and grip snow and ice better.
- Check tire pressure often, because cold air can lower it.
- Clear snow and ice from windows, lights, and mirrors before you drive.
- Keep a small emergency kit in the car all winter.
Why winter tires help
Winter tires use a softer rubber mix. It stays flexible in cold weather. All-season rubber can harden as temperatures fall. Harder rubber grips less well.
Winter tires also have deeper tread and many small cuts called sipes. These help the tire bite into snow. They also help channel slush away from the tire. That gives more steady grip on slick roads.
To learn more, read about the science behind winter tires and how tread and rubber work in cold weather.
Some winter tires are studded, and some are not. Studs can help on ice in some places. Check local rules first. Not every area allows studs.
When winter tires matter most
Winter tires matter most when you drive often on snow or ice. They also help on cold, dry winter roads. If your winters are mild and snow is rare, all-season tires may be enough. If you are unsure, ask a tire shop about your area and your driving.
For a maker view of winter prep, see the winter tire guidance from Bridgestone.
Step-by-step winter prep
1. Check and fit winter tires
Look at all four tires, not just one. Check tread depth and look for cuts, cracks, or uneven wear. Replace a tire that looks worn or damaged.
When you fit winter tires, fit four matching tires. A mixed set can make handling uneven. Follow your vehicle manual for the right tire size.
After winter, store winter tires in a cool, dry place. For care tips, see these winter tire maintenance tips.
2. Check the battery
Cold weather lowers battery power. It also makes engines harder to start. Have the battery and charging system tested before winter.
Clean corrosion from the terminals if you see it. Watch for slow starts, dim lights, or clicking sounds. Those signs mean you should get the battery checked soon.
3. Top up key fluids
Check coolant, engine oil, brake fluid, and washer fluid. Use the types listed in your owner manual. Top up anything that is low.
Use washer fluid made for freezing temperatures. Standard fluid can freeze in very cold weather. You can use a lot of washer fluid in one snowstorm, so keep extra on hand.
4. Check wipers, lights, and heat
Replace wiper blades that streak, skip, or crack. Test the washer spray. Clear washer nozzles if they are blocked.
Check headlights, brake lights, turn signals, and hazard lights. Clean dirt and snow from them. Good lights help you see, and they help others see you.
Test the heater, front defroster, and rear defogger before it gets very cold. A weak heater is not just uncomfortable. It can also slow down window clearing.
5. Pack a winter emergency kit
Even a well-kept car can be delayed in a storm. Pack a kit and keep it where you can reach it. Check the kit at the start of winter, and replace items you used last year.
- Ice scraper, snow brush, and a small shovel
- Jumper cables and a flashlight
- Blanket, water, and shelf-stable snacks
- First aid kit and any medicine you need
- Phone charger or power bank
- Sand or kitty litter for traction if you get stuck
Tire tread and pressure in cold months
Tread helps tires hold the road in snow and slush. A simple check is the penny test. Put a penny in the tread with Lincoln head down. If you can see the top of his head, the tread is too low.
Also look for uneven wear across the tire. Uneven wear can point to pressure, rotation, or alignment problems. Get it checked if you see it.
Cold air can lower tire pressure. Check pressure when tires are cold, before you drive far. Use the pressure on the driver door label or in your manual. Do not use the maximum pressure on the tire sidewall.
For more detail, read our guide to understanding tire PSI and proper inflation. The NHTSA winter driving tips also cover tread checks and cold-weather pressure.
Driving on snow and ice
Slow down. Leave more space than usual. Brake earlier and more gently. Make smooth steering moves. Sudden moves can break traction on ice.
Stopping takes longer on snow and ice, even with good tires. That is why following distance matters so much. Leave room to stop if the car ahead slows fast.
Clear all snow and ice from windows, mirrors, lights, and the roof before you drive. Snow from the roof can slide onto the windshield. It can also fall onto cars behind you.
Give snowplows plenty of room. They move slowly and make wide turns. Do not pass close beside a plow.
If you get stuck, stay calm. Clear snow from around the tires and from the exhaust pipe. Use sand or kitty litter for traction. If you must wait, stay with the car when it is safe to do so.
The U.S. Tire Manufacturers Association offers general tire care and safety information that is useful alongside this guide.
Before a long winter trip
Check the weather and road reports before a long trip. If a severe storm is forecast, think about delaying the trip. No trip is worth a risky drive in a blizzard.
Plan your route and allow extra time. Charge your phone before you leave. Tell someone where you are going and when you expect to arrive.
Keep the fuel tank at least half full when storms are forecast. A fuller tank also helps if you are delayed. For electric cars, start with a good charge and plan charging stops.
Pack food, water, and warm clothes for the trip, not just for the car. If you are delayed, those items help you stay warm and comfortable while you wait for help.
Are winter tires worth it?
Winter tires cost money, and they need storage in the off season. That is a real drawback. They also wear faster in warm weather, so they are not a good summer tire.
For many drivers in snowy areas, the benefit is clear. Winter tires give better grip, more steady handling, and more control in snow and ice. That can make daily winter driving less stressful.
Think about your roads, your climate, and how often you drive in snow. If snow and ice are common, winter tires are worth strong thought. If they are rare, good all-season tires and careful driving may be enough.
Quick winter checklist
- Fit four matching winter tires if needed, and check tread.
- Test the battery and clean the terminals.
- Top up coolant, oil, brake fluid, and winter washer fluid.
- Replace worn wipers and test heat and defrosters.
- Check lights and tire pressure.
- Pack an emergency kit and a phone charger.
- Keep the fuel tank at least half full when storms are forecast.
Frequently asked questions
How often should I check tire pressure in winter?
Check it often during winter, and after big temperature drops. Check when tires are cold for the most accurate reading.
What fluids matter most before winter?
Washer fluid, coolant, engine oil, and brake fluid matter most. Use the types in your owner manual, and top up low levels.
How can I tell if my battery is ready for cold weather?
Have it tested before winter. Slow starts, dim lights, and clicking sounds are warning signs. Do not wait for a cold morning to find out.
When do winter tires make the biggest difference?
They make the biggest difference in cold weather and on snow or ice. That is when their soft rubber and deep tread help most.
Conclusion
Winter prep is not hard. It is a set of small checks done early. Tires, battery, fluids, wipers, heat, and a kit cover most winter problems.
If you drive in snow and ice, winter tires are one of the best steps you can take. Pair them with slow, smooth driving. That gives you the best chance of safe winter trips.
Do not forget brakes and belts. Have brakes checked if you hear grinding, squealing, or feel a pulsing pedal. Ask a shop to look at belts and hoses too. Cold weather can make worn parts fail faster. A quick check now can save a tow later.
Keep a printed list of roadside help numbers in the car, in case your phone runs out of power in a storm.