Seasonal Car Care: Six Fluids to Check for Holiday Travel!


Did you know? Your car uses six primary fluids: coolant, motor oil, brakes fluid, transmission fluid, power steering fluid and windshield washer fluid. Seasonal changes affect the performance of these fluids, so regular fluids checks are essential. Take the time to check your fluids and avoid the hassle and unnecessary expenses that result from car failure. Here is a rundown of the six fluids that help your engine hum.


Coolant contains specially formulated chemicals that prevent rusting. It lubricates water pumps, improves heat transfer and protects against freezing. It is vital to change your coolant when you enter into a new season in order to prevent system damage. Instead of using a coolant blend engineered to mix with existing coolant, visit your service advisor at to get personalized advice. If needed, we can flush your radiator and fill it with new coolant.

Motor Oil

Oil is referred to as the “lifeblood of your car.” It keeps your engine well lubricated and protects it from damage. Synthetic oil performs well in all types of weather, because it has low viscosity and is able to maintain its structure. You should follow manufacturer recommendations for your vehicle. Check your owners’ manual or call us at the dealership.

Brake Fluid

Brake fluid prevents the formation of rust and debris that can contaminate the master cylinder. It is ideal to use the recommended brake fluid listed in your owner’s manual and to check your brake fluid level every time you get an oil change. Avoid mixing different types of brake fluid. Instead, get your reservoir flushed and filled with new fluid.

Transmission Fluid

Transmission fluid is vital for keeping moving parts in the transmission lubricated. It also suspends debris until the filter can remove it from the fluid. Similar to motor oil, the transmission fluid is oil and is subject to viscosity breakdown. Overheating results from worn-out fluid. Be sure to refer to your owner’s manual to get the recommended intervals for changing your transmission fluid.

Power Steering Fluid

Your power steering fluid should also be inspected at regular intervals. Have a trained technician check for signs of wear and tear. If the fluid appears to be overheated, check your pumps for internal damage. In order to avoid the expense of replacing your steering gear, get your power steering fluid changed every 60,000 miles.

Windshield Washer Fluid

Full visibility from behind the wheel is important, especially when the weather is bad. Check your reservoir to see if your windshield washer fluid is low and top it off with new fluid. Pay attention to any signs of leakage or wear.

Seasonal car maintenance may not be at the top of your list of things to do. But if you plan on traveling this holiday season, it is a necessary precaution. Don’t let car problems ruin your holiday! Click here to schedule service online today.


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Still deciding on which Toyota you’d like to be driving? Searching for OEM factory rebates? Are you comparing lease programs or internet specials? Maybe you simply want our best price on a new or used car? For all of this and more, look no further than Toyota of Plano. Our team is made up of professional associates that offer you a no-pressure environment and operate with the quality you’d expect. We look forward to helping you with your next new or used car purchase.

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