Maintenance procedure · Written to ASD-STE100 Issue 9 · Formatted to ANSI Z535

Replace the Wiper Blades on a Car or Light Truck

Passenger cars and light trucks with a replaceable wiper blade — find the correct blade, change it, and prove the wipe before you drive
ApplicabilityPassenger cars and light trucks with a conventional wiper arm and a replaceable wiper blade
Task time12 min to 23 min editorial estimate, not a measurement
PersonnelOne
Revisionv1 · 2026-07-29
BEFORE YOU BEGIN

Before you begin. This procedure is general reference information, not professional advice. Equipment varies by manufacturer, model, and year. Always follow the documentation supplied with your equipment — where it differs from this page, follow the manufacturer. Verify that you have the tools, the working conditions, and the ability to do this task safely. If anything is unclear, if the equipment is damaged, or if the task exceeds your experience, stop and use a qualified professional. You are responsible for your own safety and for the outcome. This site accepts no liability for any loss, damage, or injury arising from the use of this information.

Specifications marked unverified could not be traced to a manufacturer source. Do not rely on them — obtain the value from your equipment documentation.

Summary

Worn wiper blades are one of the cheapest problems on a car to fix and one of the easiest to put off until it is already raining. On most vehicles the job needs no tools at all: the old blade unclips from the arm and the new one clicks on. This page covers the whole thing — parking somewhere safe, working out which blade and which connector your car takes, getting the old blade off without letting the arm drop onto the glass, and testing the wipe before you drive.

What this page will not do is print a blade size or a connector type for your car, because there are thousands of combinations and the authority for yours is your owner's manual or the blade maker's vehicle guide. It also will not tell you how to raise your wiper arm, and that is deliberate: Mazda says to move the wipers to a service position first, Tesla puts that mode behind a touchscreen menu, and Toyota warns that lifting an arm parked under the hood can damage the hood. The replacement interval is the one thing the manufacturers here agree on. Toyota gives six to 12 months and Tesla says at least once a year, so this page publishes six to 12 months and names where it came from.

Necessary equipment

ItemNote
ClothFold the cloth and put it on the windshield below the wiper arm.
Glass cleaner optionalClean the windshield before you do a test of the new wiper blade.
Pen and paper optionalRecord the date of the replacement.
New wiper blades materialThe size and the connector must agree with the vehicle documentation.
Windshield washer fluid materialFill the reservoir before you do a test of the wipers.

Specifications

Minimum share of windshield Area A that a passenger car wiping system must clean
Manufacturer or standard verified
80 %

Source: 49 CFR 571.104 - FMVSS No. 104, Windshield wiping and washing systems · tier 1 · accessed 2026-07-29

Prepare the vehicle

Estimated 1 min

WARNING

STOP THE VEHICLE IN A SAFE AREA AWAY FROM TRAFFIC BEFORE YOU START.
Traffic can kill you.

  1. Stop the vehicle on a level surface in a safe area away from traffic.
    <1m
  2. Set the parking brake.
    <1m
WARNING

SET THE WIPER CONTROL TO OFF BEFORE YOU TOUCH THE WIPER ARM.
Stop the engine. Some vehicles start the wipers automatically, and a wiper arm that moves can injure your hand.

  1. Stop the engine.
    <1m
  2. Set the wiper control to off.
    • Some vehicles start the wipers automatically when the windshield is wet.
    • Toyota gives this instruction for vehicles that start the wipers automatically.
    <1m

Find the correct wiper blade

Estimated 3 min to 9 min

NOTEThe vehicle documentation gives the size and the connector for each wiper arm.
Wiper blade size
Unverified — do not rely on this value
CONSULT THE VEHICLE DOCUMENTATION, OR THE VEHICLE GUIDE FROM THE BLADE MANUFACTURER

No tier-1 source was found for this value. Take it from the documentation supplied with your equipment.

Wiper arm connector type
Unverified — do not rely on this value
CONSULT THE VEHICLE DOCUMENTATION, OR THE VEHICLE GUIDE FROM THE BLADE MANUFACTURER

No tier-1 source was found for this value. Take it from the documentation supplied with your equipment.

Wiper blade replacement interval
Manufacturer or standard verified
6 to 12 months

Source: How to Change Windshield Wiper Blades · tier 1 · accessed 2026-07-29

  1. Read the wiper blade size for your vehicle in the vehicle documentation.
    • The blade manufacturer also gives a size guide for each vehicle.
    • Many vehicles have a different size for the driver side and the passenger side.
    2m
  2. Find the connector type of the wiper arm in the vehicle documentation.
    • A hook connector, a pinch tab connector and a pin connector are the usual types.
    • The connector on the new wiper blade must agree with the connector on the wiper arm.
    1m
  3. Make sure that each new wiper blade has the correct size and the correct connector.
    <1m

Remove the used wiper blade

Estimated 2 min to 6 min

Method to raise the wiper arm
Unverified — do not rely on this value
CONSULT THE VEHICLE DOCUMENTATION. SOME VEHICLES NEED A SERVICE POSITION BEFORE THE WIPER ARM IS RAISED.

No tier-1 source was found for this value. Take it from the documentation supplied with your equipment.

NOTICE

MOVE THE WIPER ARM TO THE SERVICE POSITION IF THE VEHICLE DOCUMENTATION GIVES ONE.
A wiper arm below the hood can touch the hood. Damage to the hood and to the wiper arm is possible.

  1. If the vehicle documentation gives a service position, move the wiper arm to that position.
    • The method is different for each vehicle.
    • Some vehicles have a control for the service position in a menu on the display.
    • Some vehicles need an open hood before the wiper arm can move.
    1m
  2. Put a folded cloth on the windshield below the wiper arm.
    • The cloth protects the windshield from the wiper arm.
    <1m
NOTICE

DO NOT LIFT THE WIPER ARM MORE THAN THE VEHICLE DESIGN PERMITS.
The wiper arm does not lock in the lifted position on all vehicles. Damage to the wiper arm is possible.

  1. Lift the wiper arm away from the windshield.
    • A spring holds the wiper arm away from the windshield on many vehicles.
    <1m
  2. Hold the wiper arm with one hand.
    <1m
  3. Release the connector between the wiper blade and the wiper arm.
    • The release method is different for each connector type.
    • Read the instructions from the blade manufacturer before you use force.
    <1m
  4. Remove the used wiper blade from the wiper arm.
    <1m

Install the new wiper blade

Estimated 2 min

  1. Align the connector of the new wiper blade with the wiper arm.
    <1m
  2. Push the new wiper blade into the wiper arm until you hear a click.
    • Do not bend the rubber of the new wiper blade more than necessary.
    <1m
  3. Pull the new wiper blade lightly to make sure that the wiper arm holds it.
    • The new wiper blade must not move on the wiper arm.
    <1m
NOTICE

LOWER THE WIPER ARM SLOWLY.
Do not let the wiper arm fall onto the windshield. A wiper arm that falls can make a scratch or a crack in the windshield.

  1. Lower the wiper arm slowly onto the windshield.
    <1m
  2. Remove the cloth from the windshield.
    <1m
  3. Do the same steps for each wiper arm on the vehicle.
    • Many vehicles also have a wiper arm on the rear window.
    <1m

Do a test of the wipers

Estimated 4 min to 6 min

NOTEDo not operate the wipers when ice holds the wiper blade on the windshield. Damage to the wiper blade and to the wiper motor is possible.
  1. Clean the windshield with a glass cleaner.
    • Tree sap and road tar on the windshield also cause streaks.
    2m
  2. Make sure that the reservoir for the windshield washer is full.
    <1m
  3. Set the ignition to the accessory position.
    <1m
  4. Operate the windshield washer and the wipers together.
    • Do not operate the wipers on a dry windshield.
    • A dry wipe can make a scratch in the windshield and cause damage to the wiper blade.
    <1m
  5. Look at the windshield for streaks.
    • A new wiper blade on a clean windshield must not leave a streak.
    <1m
  6. If you see a streak, do a check of the connector and of the wiper blade size.
    <1m
  7. Set the ignition to off.
    <1m
  8. Record the date of the replacement.
    • The date tells you when the next replacement is due.
    <1m

Terminology

This page uses one term for each item and holds it throughout, as ASD-STE100 requires. Equipment sellers and other guides use the names below for the same parts.

wiper blade
Also called: windshield wipers, windscreen wipers, wipers, wiper refill, windshield wiper blade, wiper rubber
wiper arm
Also called: windshield wiper arm, the metal arm, wiper stick, wiper holder
windshield
Also called: windscreen, front window, front glass, the glass
connector
Also called: wiper clip, wiper attachment, J-hook, U-hook, hook slot, pinch tab, side pin, bayonet, top lock
service position
Also called: wiper service mode, maintenance position, winter position, vertical position, standing the wipers up
wiper control
Also called: wiper switch, wiper stalk, wiper lever, the stick behind the steering wheel
windshield washer fluid
Also called: washer fluid, wiper fluid, windshield fluid, screen wash, washer liquid

When to use a professional

Stop the work if the wiper arm is bent. Stop the work if the wiper arm does not hold the new wiper blade. Stop the work if the wiper arm does not touch the windshield along its full length. Speak to a vehicle repair shop.

This procedure does not include a replacement of the wiper arm. Mazda tells owners to speak to a dealer for that work, and other manufacturers give the same boundary. Speak to a vehicle repair shop if the wiper motor does not move the wiper arm.

A crack in the windshield is not safe. Speak to a glass specialist about a crack or a deep scratch in the windshield.

Common questions

How often should I change my windshield wipers?

Toyota says wiper blades usually last 6 to 12 months and adds straight away that this is not a set rule, because blade quality, how much you use them and where you park all change the answer. Tesla's own service documentation lands in the same place and asks for replacement at least once a year. That agreement between two manufacturers is the only reason this page prints an interval at all. Mazda gives the practical test instead of a number: when the wipers no longer clean well, the blades are probably worn or cracked, so replace them. If the wipe gets worse before six months are up, that is your answer — the calendar is a backstop, not a rule.

What size wiper blades do I need for my car?

This page will not guess, and neither should a parts listing you have not checked. The size comes from your owner's manual or from the vehicle guide the blade manufacturer publishes. Two things catch people out: the driver's side and the passenger's side are often different lengths on the same car, and a rear wiper is usually different again. Tesla's documentation for one model, for example, calls for a 26 inch blade on the driver's side and a 20 inch blade on the passenger's side — which is exactly why a single number for your car has to come from your car's documentation.

Do I need any tools to change wiper blades?

Usually not. Toyota says replacing wiper blades in most cars typically does not require tools. The two things worth having are a folded cloth or towel to lay on the glass, which Tesla's documentation asks for so a dropped arm cannot scratch or crack the windshield, and the instruction leaflet that came in the box with the new blades.

Why do I have to put the wipers in a service position first?

Because on a lot of modern cars the wiper arms park underneath the trailing edge of the hood, and there is not enough room to swing them up from there. Toyota's guidance is explicit that lifting wipers that are in the retracted position below the hood can make them contact the hood and damage the wiper, the hood, or both. Mazda tells owners to always move the blades to the service position before lifting them off the windshield. Tesla puts the same function behind Controls, then Service, then Wiper Service Mode. The method is different on every car, so this is one of the things you have to look up rather than copy from a page like this one.

My new wiper blades still streak. What did I do wrong?

Often nothing, and the glass is the first thing to rule out. Mazda warns that running the wipers on dry glass scratches the windshield and damages the wiper rubber, and asks owners to spray washer fluid before operating the wipers when the glass is dry — a windshield that has been dry-wiped will streak with any blade on it. The next thing to check is whether the blade actually locked onto the arm: Tesla asks for a push-pull test and says to make sure the new blade is locked in place and does not move. After that, check the length against your owner's manual, because a blade that is wrong for the arm lifts off the glass at one end.

Can I use my wipers to scrape ice off the windshield?

No, and Mazda spells out why: in freezing temperatures the wiper rubber can freeze to the glass, and operating the wipers while they are frozen to it can damage the wiper rubber and the wiper motor. One cold morning can undo a brand-new pair and take the motor with them. The same manual asks you to put the wiper lever in the OFF position while you are removing ice or snow or cleaning the windshield, which also stops an automatic wiper starting under your hands. Clear the ice with a scraper or the defroster, free the blades from the glass, and only then switch the wipers on.

Is there actually a legal standard for windshield wipers?

Yes, for the system the car was built with. FMVSS No. 104, at 49 CFR 571.104, requires every vehicle to have a power-driven windshield wiping system, requires at least two speeds with one of them at least 45 cycles per minute and another at least 20, and sets minimum wiped percentages for three areas of the windshield: 80 percent of Area A, 94 percent of Area B and 99 percent of Area C on a passenger car. The standard applies to the vehicle as manufactured, not to the blades you buy later — but it is a reasonable way to think about what a worn blade is taking away from you.

Sources

Every specification on this page is traced to one of these sources. Tier 1 is a manufacturer document, a published standard, or a government safety authority. See Standards for the full tiering rule.

  1. Tier 1How to Change Windshield Wiper BladesToyota Motor Sales, U.S.A., Inc. · accessed 2026-07-29 · re-verification due 2027-01-25
  2. Tier 1Replacing Windshield Wiper Blades - 2023 Mazda CX-30 Owner's ManualMazda North American Operations · accessed 2026-07-29 · re-verification due 2027-01-25
  3. Tier 1Windshield Wiper/Washer Switch - 2024 Mazda CX-30 Owner's ManualMazda North American Operations · accessed 2026-07-29 · re-verification due 2027-01-25
  4. Tier 1Replacing Wiper Blades (Model S 2012-2020)Tesla, Inc. · accessed 2026-07-29 · re-verification due 2027-01-25
  5. Tier 149 CFR 571.104 - FMVSS No. 104, Windshield wiping and washing systemsOffice of the Federal Register (eCFR) · accessed 2026-07-29 · re-verification due 2027-01-25

Revision history

Current version 1 · updated 2026-07-29 · next review due 2027-07-29

  1. v1 · 2026-07-29First draft. Built from Toyota, Rain-X, Mazda and Tesla manufacturer documentation and from 49 CFR 571.104. Blade size, connector type and the method to raise the wiper arm publish as consult-the-manufacturer, because all three are vehicle-specific and the manufacturers reviewed give different instructions.

Corrections to this page are listed in the public corrections log. Reports that are credible and not yet verified are listed in the public errata register, and an open one renders above the step it concerns.

Comments and corrections

Found an error? A correction with a manufacturer source is applied and logged publicly. You can also write to corrections@fixchecklist.com.

Every step above carries its own report control, which tags the report with that step so a correction reaches the right place. For anything about the procedure as a whole — the order of the sections, a step that is missing, something that did not match your equipment — use this: report something about this whole procedure.

The comment system is not connected yet. Comments are stored in GitHub Discussions through Giscus, outside this site, so that a redeploy cannot destroy them.