SOURCE-LINKED REGULATION GUIDE

UN R18 — Protection against unauthorised vehicle use

Review the vehicle scope for devices preventing unauthorised use.

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What does it cover?

UN R18 concerns protection against unauthorised use on motor vehicles with at least three wheels other than M1 and N1, where the relevant device is fitted. This version also links compliance to vehicles approved under Part I of R116 or under R161. Those references should be read together with the applicable regulation and approval record.

Who is it for?

Vehicle security and steering-column-lock developers and homologation teams.

Which subjects are addressed?

  • Protection against unauthorised use
  • Scope outside M1/N1
  • Condition that a device is fitted
  • Link to R116/R161

Common question

Does R18 directly cover M1 and N1 vehicles?

No. Its scope excludes M1 and N1. Check the other applicable regulations and approval records for those vehicles.

Source documents and references

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