Filtered:UN R121 Hand Controls, Tell-tales and IndicatorsRemove filter
UN R121: Proposal for supplement 4 to the 01 series of amendments
Reference Number: TPMSTI-19-03
Draft proposal under the TMPSTI task force to apply the same tell-tale requirements for tyre pressure refill systems (TPRS) and central tyre inflation systems (CTIS) as already in place for tyre pressure monitoring systems (TPMS).