DIY: Replacing a Side Mirror in 30 Minutes
A cracked housing, a shattered glass, or a mirror that won't fold or adjust anymore — whatever the reason, replacing a side mirror is one of the most beginner-friendly repairs you can do yourself. No special shop tools required, and most vehicles take less time to fix than it takes to watch a sitcom episode.
Here's a straightforward walkthrough to get you from broken mirror to back on the road.
What You'll Need
- A Phillips or Torx screwdriver (check your vehicle — most use one or the other)
- A trim panel tool or flathead screwdriver wrapped in a cloth (to avoid scratching interior trim)
- Your replacement mirror assembly, matched to your exact year, make, and model
- A friend or a piece of tape to keep small interior clips from getting lost
Step 1: Disconnect the Battery (If Your Mirror Is Powered)
If your mirror has power adjustment, heating, or turn signal functions, disconnect the negative battery terminal first. This avoids any risk of a short while you're working with the wiring harness.
Step 2: Remove the Interior Door Panel Trim
Most mirrors are accessed from inside the door. Locate the small triangular trim panel at the base of the mirror on the interior side of the door — this usually pops off with gentle prying using your trim tool, or is held by 1-2 screws hidden under a cap.
Step 3: Disconnect the Wiring Harness
Behind the trim panel, you'll find a wiring connector plugged into the back of the mirror assembly (skip this step if your mirror is manual, non-powered). Squeeze the release tab and unplug it gently — don't yank on the wires themselves.
Step 4: Remove the Mounting Bolts
The mirror is held to the door frame by three bolts (usually Torx or Phillips) accessible from inside the door, right where the trim panel was. Support the mirror with one hand from outside the vehicle while you remove the bolts so it doesn't drop.
Step 5: Remove the Old Mirror and Install the New One
Once the bolts are out, the mirror assembly lifts away from the outside of the door. Position your new mirror in place, thread the bolts back in by hand first to avoid cross-threading, then tighten them securely.
Step 6: Reconnect and Reassemble
Plug the wiring harness back in, snap the interior trim panel back into place, and reconnect your battery if you disconnected it. Test the power functions — adjustment, heating, and turn signal if equipped — before you close everything up for good.
A Few Tips Before You Start
Double-check your mirror is an exact fit for your specific trim level — some vehicles have different mirror styles across years or trims (heated vs. non-heated, with or without turn signal, folding vs. fixed). Ordering the wrong variant is the most common hiccup in this repair.
If your old mirror's glass is cracked but the housing and motor are fine, you may only need a replacement mirror glass rather than the full assembly — a cheaper and even faster fix.
Not sure whether to go CAPA certified, OEM, or aftermarket for your replacement? We break down the differences in our CAPA vs. OEM vs. Aftermarket guide.
Browse our full selection of side mirrors to find the exact match for your vehicle — fast shipping, and every part backed by our fitment guarantee.