---
id: department-0012
title: "How do I prepare my car for winter or summer at Castle Cadillac McHenry?"
category: department
subtopic: service-seasonal
page_type: department
source_url: "https://www.castlecadillacmchenry.com"
tags: ["service", "maintenance", "seasonal"]
questions:
  - "What seasonal maintenance does my vehicle need?"
  - "How do I get my car ready for winter?"
  - "What summer car maintenance should I do?"
  - "Does Castle Cadillac McHenry offer seasonal prep?"
related: [service-general, parts-tires]
dealer: Castle Cadillac McHenry
---

Seasonal maintenance keeps your vehicle safe and running smoothly year-round. **Winter prep** typically includes checking your battery, antifreeze, wipers, lights, and tire tread or switching to winter tires. **Summer readiness** means topping off fluids, inspecting your air-conditioning system, checking brakes, and ensuring tires are properly inflated. Castle Cadillac McHenry's Service Department handles both-our technicians know the Mchenry, IL climate and can spot issues before they become costly problems. Whether you drive a Cadillac or another make, we're here to help. Call us at (779) 265-4427 to schedule your seasonal check-up, or visit us at 1107 State Rte 31 to discuss what your vehicle needs this season.