Road safety experts say a recent spot check of child car seats in Leicestershire found problems in nearly half the vehicles they saw.
In October a check by the Leicestershire and Rutland Road Safety Partnership found seats were either not fitted correctly, or the wrong seats were being used.
Today experts offered advice to motorists at the Beaumont Leys Shopping Centre.
The number of vehicles not meeting the recommended standards fell to 38%.
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Duller conditions moving back towards the coast through the morning, leaving a mainly dry day with warm sunny spells.
Showery outbreaks of rain will become more widespread through Thursday with heavy and locally thundery downpours possible.
Pollen: West Midlands Update