The UK does not require an emergency kit in a private Hyundai IONIQ 5, which is why so many drivers do not carry one. Then the M6 shuts, the wind picks up and the temperature drops. Here is what actually matters when building or buying a kit for the Hyundai IONIQ 5.
The boot (527 L behind rear seats (RWD)) sets the size envelope. A soft holdall in a side cubby fits without eating daily boot space; a big rigid case does not. Whichever you choose, keep the kit in the boot (not the passenger cabin), so it is out of the way and not a projectile in an accident.
Battery cover deserves a mention. Even the Hyundai IONIQ 5’s EV variants have a small 12V accessory battery separate from the drive battery, and a compact jump pack still helps when it fails. Do not attempt to jump the traction pack itself. A compact lithium jump pack with LiFePO4 chemistry tolerates UK boot temperatures well, unlike older lithium-polymer packs that prefer cabin storage in extreme cold. Whichever you carry, top it up every three to six months - a flat jump pack is a heavy paperweight.
Hi-vis vests are per occupant, not per car. Everyone who steps out onto a hard shoulder needs to be seen; one vest for the driver leaves the passenger invisible on a lay-by at dusk. Winter add-ons - blanket, ice scraper, de-icer, foil emergency blanket, folding shovel - earn their place from October through March.
Frequently asked questions
Are lithium jump packs safe to store in the Hyundai IONIQ 5’s boot?
Modern LiFePO4 packs are stable across UK temperatures. Older Li-Po packs prefer cabin storage in hard frost. Either type needs a top-up charge every three to six months.
What single item makes the biggest safety difference?
A high-quality hi-vis vest per occupant. Visibility on a hard shoulder is what turns a breakdown into an inconvenience.