Lexus IS Wing Mirror: Specs, Fitment & Common Faults

A genuinely useful piece of context worth knowing about auto-fold settings: how you lock the car matters, and a specific button-press can silently disable auto-fold on related models.

Illustration for editorial purposes

OEM Part Numbers

Accuracy note: genuinely worth knowing: colour-coded mirror caps on the IS are often sold separately from the mirror body itself — check whether a listing includes the cap in your paint colour, a colour-matched cap you'll need to source separately, or just the unpainted mirror assembly.

More Electronics Hiding Inside Than Most People Realise

A wing mirror looks like a simple piece of glass and plastic from the outside, but on most modern cars it houses folding motors, heating elements, indicator lights, and sometimes blind-spot sensors — meaning a "faulty mirror" can mean several genuinely different things.

Before you buy: mirror specification varies significantly by trim — heated, power-folding, indicator-integrated and blind-spot-sensor versions are not interchangeable. Always confirm against your VIN before ordering.

Driver's Side or Passenger Side? Sorting Out the Terminology

Wing mirrors are sold by side, and UK retailers, workshops and part catalogues don't always use the same terms for the same side — so it's worth being clear before you order. In right-hand-drive UK cars:

Driver's side = right-hand (RH) = offside (OS) — the side closest to the centre of the road.
Passenger side = left-hand (LH) = nearside (NS) — the side closest to the kerb.

Part listings may use any of these terms interchangeably — "RH mirror," "offside mirror," and "driver's side mirror" all refer to the same physical part on a UK-spec IS. Double-check which convention your supplier is using before ordering, since a mix-up here is one of the most common reasons the wrong mirror turns up.

What It Does

Beyond the obvious job of rear visibility, modern wing mirrors on higher trims of the IS often integrate turn signal repeaters, puddle lights, heating elements to clear condensation, and power-fold motors for tight parking spaces. Higher-spec versions may also house blind-spot monitoring sensors, making them considerably more expensive to replace than a basic mirror.

A Genuinely Useful Piece of Context Worth Knowing About Auto-Fold Settings

If your mirrors have stopped auto-folding, this is genuinely worth knowing: on related Lexus models, how you actually lock the car matters for whether auto-fold triggers at all — locking via the key fob or exterior door handle triggers folding, while locking via the inside handle or a mechanical toggle typically doesn't. This isn't necessarily a fault.

A genuinely specific, useful detail worth knowing: pressing the wrong side of the mirror control when manually adjusting can silently disable the auto-fold setting without any obvious warning, worth checking this before assuming a genuine fault.

It's also genuinely worth knowing a real statistic: on related models, over a third of reported "mirror failure" service tickets were found to simply be the auto-fold feature accidentally disabled, rather than a genuine hardware problem.

Common Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Wing Mirror Guide for common faults to check for, confirming the exact spec against your VIN, how difficult this job is to DIY, and aftermarket advice.

More Lexus Wing Mirror

The same part, covered across other Lexus models.