An issue has been identified on a limited number of Jaguar vehicles within the listed Affected Vehicle Range where if the vehicle has had Service Action H100, Climate Control Blowing Cold Air on One Side, performed prior to 20 March 2018 and the air conditioning compressor run-in routine not carried out will experience reduced Heating, Ventilation, and Air Conditioning (HVAC) system cooling performance as the compressor will not function as intended.