* Checking your owner's manual: This is the most reliable source.
* Looking at the wipers themselves: The size is often printed on the wiper arm or the wiper blade itself.
* Checking a reputable auto parts store website: Enter your vehicle's year, make, and model to find the correct wiper size.
While the 26"/18" is generally accepted, slight variations might exist depending on specific trim levels or any prior replacements. Using the methods above will guarantee you get the right size.