Howtoo Logo
2020 Toyota Highlander
2020 Toyota Highlander
XLE - V6 3.5L
Bryan specialist avatar

Have a Question? Ask a Specialist

Here is everything needed for this repair

See what I can do

Make Money

With HowToo

OnOff

Here is just the beginning of what I can do!

Select one to see me in action

Vehicle Features

Image Vehicle Features

ā€œHow do I connect my phone to my stereo?ā€

Vehicle Information

Image Vehicle Information

ā€œWhat is my horsepower and torqueā€

Image Recognition

Image Image Recognition

ā€œWhat is this warning light on my dash?ā€

Troubleshooting

Image Troubleshooting

ā€œI have a P0300 engine codeā€

Vehicle Recognition

Image Vehicle Recognition

ā€œWhat vehicle is this?ā€

Find shops near you

Image Find shops near you

ā€œFind a shop to do this repairā€

Vehicle Talk

Image Vehicle Talk

ā€œWhat’s your favorite vehicle of all time?ā€

How To Remove 2020-2023 Toyota Highlander Door Mirror / Door Panel.

How To Remove 2020-2023 Toyota Highlander Door Mirror / Door Panel.

Suggested Parts

See all parts background
See All Parts

Tools & Fluids

10mm
10mm
Socket
or (3/8")
1/4
1/4
Ratchet
3"
3"
Extension
1/4
1/4
Torque Wrench
Phillips
Phillips
Screwdriver
See all parts background
See All Tools

How to Replace a Side View Mirror on a 2020 Toyota Highlander (Driver or Passenger)

Step-by-step mirror assembly install with required tools, parts list, torque specs, and safety tips

How to Replace a Side View Mirror on a 2020 Toyota Highlander (Driver or Passenger)

Step-by-step mirror assembly install with required tools, parts list, torque specs, and safety tips

Orion Logo White
Orion Logo White

šŸ”§ Highlander - Side View Mirror Replacement

On your Highlander, the ā€œside view mirrorā€ can mean either the complete mirror assembly (housing + motor + glass) or just the mirror glass. The steps are different, so we’ll confirm that first to avoid breaking clips or ordering the wrong part.

Difficulty Level: Intermediate | Estimated Time: 0.5-2.0 hours


āš ļø Safety & Precautions

  • āš ļø Work on level ground and keep the key fob away from the vehicle.
  • āš ļø If you’ll remove the door panel and unplug connectors, disconnect the battery negative terminal to prevent accidental shorting.
  • āš ļø Use plastic trim tools to avoid cracking the sail panel (the small triangle trim by the mirror).
  • āš ļø Support the mirror as you remove the last nut so it doesn’t fall and chip paint.

šŸ”§ Required Tools

You'll need the following tools for this repair:

  • 10mm socket
  • 1/4" drive ratchet
  • 3" extension (1/4" drive)
  • Torque wrench (in-lb)
  • Phillips screwdriver #2
  • Plastic trim removal tool set
  • Panel clip pliers
  • Pick tool
  • Painter’s tape
  • Magnetic pickup tool
  • Shop light
  • Mechanic gloves
  • Safety glasses

šŸ”© Required Parts

HowToo sells all the parts you need for this repair:

  • Side view mirror assembly - Qty: 1
  • Door trim panel clips - Qty: 5-10
  • Butyl tape (water shield adhesive) - Qty: 1

šŸ“‹ Before You Begin

  • Park on level ground, shift to Park, and turn the ignition OFF.
  • Apply painter’s tape along the mirror base and door edge to protect paint.
  • If replacing the complete assembly: plan on removing the inner sail panel and usually the door panel to access the mirror connector.
  • If you choose to disconnect the battery: use a 10mm socket to remove the negative terminal and isolate it so it can’t spring back.

šŸ”Ø Step-by-Step Instructions

Follow these steps in order:

Step 1: Confirm what you’re replacing

  • Are you replacing the complete mirror assembly (housing) or just the mirror glass?
  • Also confirm which side: driver or passenger.
  • If you reply, I’ll tailor steps exactly.

Step 2: Remove the inner sail panel (triangle trim)

  • Use a plastic trim removal tool to pry the sail panel straight outward from the top edge.
  • If it has a small clip/cover, use a pick tool carefully to start an edge, then continue with the trim tool.
  • Set the panel aside.

Step 3: If needed, remove the front door trim panel

  • Remove the screw(s) in the interior pull handle/armrest area using a Phillips screwdriver #2.
  • Use a plastic trim removal tool to pop the door panel clips around the perimeter.
  • Lift the door panel upward to unhook it from the window ledge.
  • Unplug electrical connectors by releasing tabs with a pick tool (do not pull on wires).
  • Trim clips often break—having spares helps.

Step 4: Peel back the water shield enough to reach the mirror connector

  • Carefully peel the plastic water shield back by hand.
  • If the adhesive stretches or won’t re-stick, plan to use butyl tape during reassembly.

Step 5: Unplug the mirror connector

  • Locate the mirror wiring connector near the mirror mounting area inside the door.
  • Press the lock tab and pull the connector apart (use a pick tool if the tab is stubborn).

Step 6: Remove the mirror mounting nuts

  • Support the mirror from the outside with one hand.
  • Use a 10mm socket, 3" extension, and 1/4" drive ratchet to remove the mounting nuts.
  • Use a magnetic pickup tool if a nut drops inside the door.

Step 7: Remove the mirror assembly

  • Feed the wiring and grommet out through the hole and remove the mirror from the door.
  • Inspect the mirror gasket; replace if torn or flattened (to prevent wind noise and water leaks).

Step 8: Install the new mirror assembly

  • Feed the wiring through the door and seat the mirror on the door.
  • Hand-start all mounting nuts to avoid cross-threading.
  • Use a torque wrench (in-lb) and 10mm socket: Torque to 62 in-lb (7 NĀ·m).

Step 9: Reconnect wiring and reassemble the door

  • Reconnect the mirror connector until it clicks.
  • Re-stick the water shield; add butyl tape if needed.
  • Reconnect door electrical connectors.
  • Hang the door panel on the top ledge, then press clips in place by hand.
  • Reinstall screws using a Phillips screwdriver #2.
  • Reinstall the sail panel by lining up clips and pressing it straight in.

Step 10: If you disconnected the battery, reconnect it

  • Use a 10mm socket to tighten the negative terminal snugly.

āœ… After Repair

  • Test mirror movement with the mirror switch (up/down/left/right).
  • If equipped, verify heating works (rear defogger on) and any mirror turn signal works.
  • Check for wind noise on a short drive; re-seat the mirror gasket if needed.
  • Make sure the window operates normally and the door locks/unlocks.

šŸ’° DIY vs Shop Cost

Shop Cost: $300-$900 (parts + labor, varies by options like BSM/heated)

DIY Cost: $120-$650 (parts only)

You Save: $180-$250+ by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.7-1.5 hours.


šŸŽÆ Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.

Parts
Tools
Menu
Videos
Earn