You can replace a rear view mirror yourself in 15 to 30 minutes with basic tools, or pay a shop $150 to $400 depending on whether the mirror is manual or powered

The rear view mirror — the one mounted on your windshield inside the car — breaks or loosens in three ways: the glass detaches from the backing, the mounting bracket fails, or the entire assembly comes off the windshield. Which one you have determines whether you can fix it yourself or need a professional. A loose mirror you can often tighten in seconds. A broken glass or failed bracket usually means replacing the whole unit.

The cost difference between a DIY replacement and a shop repair is substantial. A replacement mirror assembly runs $30 to $150 depending on your vehicle and whether it has features like heating or auto-dimming. A shop will charge labor on top of that, typically $100 to $300. If you have the right tools and your mirror is a straightforward manual type, the job is straightforward enough to do at home.

Key Takeaways

  • Check whether your mirror is loose, cracked, or completely detached — a loose mirror may only need tightening, while a cracked glass or broken bracket requires replacement.
  • Manual mirrors are simpler to replace than powered mirrors, which have electrical connectors and may require disconnecting the battery first.
  • You will need the correct replacement mirror for your vehicle year and model, which you can order online or buy at an auto parts store.
  • The mounting bracket bolts to the windshield from inside the car, and removal usually takes a screwdriver or wrench and 15 to 30 minutes.
  • If the glass is cracked but the bracket is intact, some mirrors allow you to replace just the glass insert rather than the whole assembly.

Identifying what is actually broken

Before you buy anything, determine what failed. Sit in the driver's seat and look at the mirror from multiple angles. If the mirror glass is intact but the whole assembly moves when you touch it, the mounting bracket bolts are loose — you may only need a wrench or screwdriver to tighten them. If the glass is cracked or shattered, you need a new mirror. If the bracket itself is bent or broken, replacement is your only option.

For powered mirrors with auto-dimming or heating, check whether the glass is the only problem. Some vehicles allow you to order a replacement glass insert that clips into the existing frame, which costs $40 to $80 and takes five minutes to swap. Your vehicle's parts manual or the parts store can tell you whether your mirror supports this. If the frame or electrical connector is damaged, you will need the whole assembly.

Finding the right replacement mirror for your vehicle

Rear view mirrors are not universal — they vary by vehicle year, make, and model, and sometimes by trim level. A mirror for a 2018 Honda Civic will not fit a 2018 Toyota Corolla. You need to know your exact vehicle information before ordering.

Go to an auto parts retailer's website (AutoZone, O'Reilly, NAPA, or Advance Auto Parts) and enter your vehicle year, make, model, and engine size. The site will show you the correct mirror options. You will see choices like "manual" versus "powered," and whether the mirror includes features like heating or auto-dimming. Buy the mirror that matches what you currently have — if your old mirror was heated, order a heated replacement. If you are unsure, take a photo of your current mirror and show it to the parts counter staff, or call your vehicle's dealership parts department with your VIN (vehicle identification number).

Prices vary widely. A basic manual mirror runs $30 to $60. A powered mirror with auto-dimming or heating costs $80 to $150. Dealership mirrors are typically more expensive than aftermarket ones, but some people prefer them for fit and finish. Online retailers often have lower prices than brick-and-mortar stores, but you will wait for shipping.

Tools and materials you will need

For most rear view mirror replacements, you need only a screwdriver (usually Phillips head) or a small wrench, depending on your vehicle. Some mirrors use bolts; others use screws. Check your vehicle's service manual or search online for "[your vehicle year and model] rear view mirror removal" to see which fasteners yours uses.

If your mirror is powered, you may also need a panel removal tool — a flat plastic pry tool that costs $5 to $10 and prevents you from cracking the interior trim when you pry off panels to access the mounting bolts. A flashlight or headlamp is helpful for seeing into the tight space above the mirror. If the old mirror is glued to the windshield rather than bolted, you will need a heat gun or hair dryer and a plastic scraper to soften the adhesive and remove it without damaging the glass.

Gather everything before you start. Working in a well-lit space — ideally during daylight or with a work light — makes the job faster and safer.

Removing the old mirror step by step

Start by disconnecting the battery if your mirror is powered. This prevents accidental electrical shorts and is a standard safety step. Locate the negative terminal on your battery (marked with a minus sign) and loosen the cable clamp with a wrench. You do not need to remove the cable entirely — loosening it is enough to cut power to the mirror circuit.

Next, locate the mounting bolts. For most vehicles, they are hidden behind a trim panel or cover on the interior headliner above the mirror. Use a panel removal tool or a flat screwdriver to gently pry off this cover. Work slowly to avoid cracking the plastic. Once the cover is off, you will see two or three bolts holding the mirror bracket to the windshield frame.

Unbolt the mirror using the appropriate screwdriver or wrench. Keep the bolts in a small container so you do not lose them — you will reuse them for the new mirror. If your mirror is powered, you will also see an electrical connector. Squeeze or press the release tab on the connector and pull it straight out. Do not force it; connectors are designed to release with light pressure.

Once the bolts are out and the electrical connector is unplugged, the old mirror should come free. If it does not, check that you have removed all fasteners and that no trim is pinching it. If the mirror is glued rather than bolted, use a heat gun to warm the adhesive for 30 seconds, then carefully pry the mirror away from the windshield with a plastic scraper. Work slowly to avoid cracking the glass.

Installing the new mirror

Before you bolt the new mirror on, check that the mounting bracket is the same shape and size as the old one. If you ordered the correct mirror for your vehicle, it should be. Align the new bracket with the bolt holes in the windshield frame — the holes should line up exactly. If they do not, you may have ordered the wrong mirror; stop and verify the part number against your vehicle information.

Insert the bolts by hand first to make sure they thread correctly. Then tighten them with your screwdriver or wrench, working in a cross pattern (top-left, bottom-right, top-right, bottom-left) to may support even pressure. Do not over-tighten — snug is enough. Over-tightening can crack the windshield or strip the bolt threads.

If the new mirror is powered, reconnect the electrical connector by aligning the connector and pushing it straight in until you hear or feel a click. The connector should seat fully and not wiggle. Then reconnect the battery by tightening the negative cable clamp back onto the battery terminal.

Replace the trim panel or cover you removed earlier, pressing it back into place until it snaps. Test the mirror by adjusting it manually or, if it is powered, by using the adjustment controls inside the car. The mirror should move smoothly and hold its position. If it does not, check that all bolts are tight and that the electrical connector is fully seated.

When to take it to a shop instead

Some situations call for professional help. If the mounting bolts are stripped or the windshield frame is cracked, a shop has the tools and materials to repair or reinforce it. If your mirror is glued to the windshield and you are uncomfortable using a heat gun near glass, a professional can remove it safely without risk of windshield damage. If your mirror is powered and you are not comfortable working with electrical connectors, a shop can handle it.

Shops also have access to OEM (original equipment manufacturer) mirrors and can order the exact part your vehicle needs if you are unsure. The labor cost is $100 to $300 depending on complexity, but you get a warranty on the work. If your mirror is under warranty through your vehicle's manufacturer, a dealership can often replace it at no cost or for a small diagnostic fee.

Frequently Asked Questions

Can I just glue the mirror back on if the adhesive failed?

You can use automotive-grade mirror adhesive (available at auto parts stores) to reattach a mirror that has come loose, but this is a temporary fix. The adhesive will eventually fail again, especially if the mirror is in direct sunlight. A bolted bracket is more durable. If you want a permanent solution, replace the mirror with one that uses bolts.

What if I crack the windshield while removing the old mirror?

Stop when ready and do not attempt further removal. A cracked windshield will spread and may become a safety hazard. Contact your vehicle's insurance company — most policies cover windshield replacement with little or no deductible. A professional glass shop can replace the windshield and install the new mirror at the same time.

Do I need to disconnect the battery for a manual mirror?

No. Manual mirrors have no electrical components, so disconnecting the battery is unnecessary. You only need to disconnect the battery if your mirror is powered (has adjustment buttons or auto-dimming features).

How long does a new mirror usually last?

A properly installed mirror lasts the life of the vehicle. Mirrors fail due to impact damage, loose bolts, or adhesive breakdown — not wear. If your new mirror is bolted securely and you avoid hitting it, it should not need replacement again.

Can I replace just the glass if the frame is fine?

Some mirrors allow glass-only replacement, but not all. Check your vehicle's parts manual or ask the parts store whether your mirror supports a glass insert. If it does, you can buy just the glass for $40 to $80 and swap it in five minutes. If your mirror does not support this, you will need to replace the whole assembly.