We smoothed away the one spot strong enough to lift the car — so a wrong jack now writes off the whole battery pack.
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DESIGN INTELLIGENCEJune 19, 2026·Mary · DEPIX Design Intelligence

We smoothed away the one spot strong enough to lift the car — so a wrong jack now writes off the whole battery pack.

There is a part on every car that no designer has ever drawn and no buyer has ever seen: the jacking point. A reinforced notch on the pinch weld under the sill — the single place where the entire mass of the vehicle is allowed to rest on a steel post the size of a coin. For a century it was a non-decision. The body was steel, the underside was a frame, and a tyre-fitter could put a jack almost anywhere without thinking. The studio styled the skin and never gave the lifting interface a second look, because there was nothing it could get catastrophically wrong.

The electric car changed the stakes underneath the sill while the studio kept smoothing the surface above it. On an EV the floor is the battery — a flat, structural, multi-thousand-euro slab spanning the wheelbase — and the only places you are permitted to lift the car are reinforced pads along the side rails, never the flat underbody where the pack lives. Lifting anywhere else risks crushing cooling lines or the pack casing itself, and jacking a heavy EV at a single wrong point can twist the chassis enough to damage the battery tray (AutoMedian, "How to Lift Unibody Cars: Finding Structural Jack Points"; CarInterior/Alibaba, "How to Jack Up an Electric Car: A Practical Guide"). The interface that used to forgive everything now forgives nothing — and it sits on the exact surface the modern studio most wants to make clean.

Because the same era that put the battery in the floor also put flush aero cladding over the sill. The lower body is now a smooth painted or armoured volume engineered to manage airflow and read as one expensive line — and the jack point is a tiny hardpoint the designer would rather not interrupt that surface with. So it gets recessed, hidden behind a clip-off panel, marked (if at all) by a small notch a stranger has to find blind, on their back, in the dark, under two tons of car. The repair world is blunt about the consequence: use a flat puck on the wrong spot and you crush the seam; the pads require specialised slotted adapters precisely because they are positioned to avoid the battery pack forming the floor structure (AutoZone, "Where Are The Jacking Points on a Car?"; Toolsource, "Where to Put the Jack (and Stands)").

The bill, when it lands, is the most disproportionate on the car. On the Tesla Motors Club forum an owner reported the outcome in a single sentence: "Tesla wants to replace my battery because jack points are damaged" — a few mangled lift pads escalating to a pack-replacement quote, because on these platforms the jack interface is structurally tied to the battery enclosure (Tesla Motors Club, "Tesla wants to replace my battery because jack points are damaged"). The advice that follows is itself a verdict on the design: owners are told to leave jacking electric cars to the garage entirely, because a mistake "could result in an enormous bill" (SpeakEV, "Jacking the car up"; VW ID Forum, "Concern that a shop's jack will damage battery?"). A spare wheel got designed out; the jack got designed out; but the jack POINT cannot be — every roadside, every tyre shop, every annual service still has to lift the car — so the part survives as the cheapest, least-briefed, most consequential interface on the vehicle, hidden by the one team that never has to use it.

This is precisely the seam DEPIX exists to surface. The jack point is owned by four rooms that never sit together. The exterior designer wants an unbroken sill and reads the pad as a blemish in the aero cladding. The body/battery engineer knows it's the only sanctioned load path into a structure built around a pack that must not be touched. The cost engineer is happy with a snap-in cover and no clear marking. And the person who actually lifts the car — a tyre-fitter, a roadside tech, an owner with a trolley jack — is in none of those rooms, finding the part by feel under a smooth panel, with a battery's value riding on whether the puck lands on the coin-sized pad or two centimetres off it. The single artefact they all sign off on is the three-quarter studio render of a flawless lower body, shot at the one angle and in the one state — clean, dry, never lifted — where the jack point is invisible by construction.

Design Intelligence stages the state the glamour shot omits: the underside as the tech meets it, the sanctioned pad against the smooth cladding that hides it, the puck on the point versus two centimetres off, the chassis twist of a single-point lift on a pack-floor platform — photoreal evidence held up while the sill section and the cladding clip are still a CAS surface, before the tooling is cut and the first crushed pad becomes a battery quote. The render is the evidence; the decision — how visible, how findable, how protected that one hardpoint is — is the product.

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