Your Winter Drive Checklist: Stay Safe & Smooth on Sonoma Roads

Winter in Sonoma County brings cooler temps, more rain, foggy mornings, and the chance of slick roads — all of which can affect your vehicle’s performance. With temperatures this month generally ranging from the mid-30s at night to the upper 50s/low 60s during the day, occasional light rain showers are also likely over the coming week.

Here’s your complete seasonal vehicle care guide from Tristar Automotive to help you stay safe, reliable, and confident on every drive this winter.

Test Your Battery Before It Gets Chilly

Cold mornings can sap battery power — especially if your battery is over a few years old. Stop by for a battery and charging system check to avoid no-start headaches on foggy or rainy mornings.

Tires & Treads: Your First Line of Defense

With winter rains and fog common locally, good tire condition matters. Make sure:

-Tires have sufficient tread depth

-Pressure is at manufacturer-recommended levels

-Tires are balanced and rotated regularly

Underinflated or worn tires reduce traction on wet roads — and traction is your best friend in winter driving.

Brake Inspections Can Save Lives

Wet roads increase stopping distances. If your brakes squeak, feel spongy, or vibrate under braking, bring your vehicle in for a complete brake inspection. Our technicians check pads, rotors, and fluid so you can stop with confidence.

Visibility Matters: Wipers & Fluid

Fog, drizzle, and storm systems all mean more time behind the wheel with limited visibility. Make sure you have:

-Fresh wiper blades

-Ample washer fluid (with winter-rated cleaning solution)

-A clear, debris-free windshield

If your wipers smear or streak, it’s time for a replacement.

Stick to Your Manufacturer’s Maintenance Schedule

Don’t skip routine factory-recommended maintenance this season — it’s designed to help prevent wear-related problems and keep your vehicle running as it should. From engine oil to filters and belts, staying on schedule now can save you money down the road.

Learn more about our services on our website.

Local Winter Driving Conditions Snapshot

In Sonoma County and Santa Rosa, winter weather is typically cooler and wetter compared with summer, with average daytime highs around the mid-50s to low-60s and lows dipping into the 30s on some nights — sometimes producing foggy starts and light rain through the season.

While we’re not talking about blizzards, these conditions can still impact traction, visibility, and comfort — especially during morning and evening commutes. Visit Santa Rosa, CA

When to Think Ahead

✔ Prepare before late fall and early winter transitions
✔ Consider servicing before unexpected storms or extended wet stretches
✔ Schedule inspections before long drives or holiday travel

Ready for a Winter Check-Up?

Whether it’s a routine inspection or a seasonal tune-up, the ASE-Certified techs at Tristar Automotive are here to help your car perform at its best through winter and beyond.

Call us at (707) 571-8866 or book online to get scheduled.

Stay safe on the road this season!