This is from the Motability site:
“Legally, tyres need to be replaced when the tread depth falls to 1.6mm on 75% of the contact surface. However Kwik Fit will replace tyres on Motability cars when the depth falls to 2.0mm.”
https://www.motability.co.uk/your-lease/tyres/#tab=tab-3&
? I will be remembered for nothing but had great fun doing it ?