Jaguar has recalled around 18,000 X-type cars after a major software glitch was detected in the on-board system of the vehicles.
The error, which affects diesel-engined X-type models from 2006 to 2010, means drivers might not be able to turn off cruise control. The fault lies with the engine management control software developed in-house by Jaguar.
The bug potentially stops a driver from turning off the cruise control.
The company has sent a letter to customers that says the cruise control, if engaged, cannot be switched off in the normal manner in some circumstances.
Turning the ignition off will cancel the cruise function, the letter added.
"This potential problem was spotted by one of our employees. No customer has been affected and there had been no accidents or injuries," a Jaguar spokesman said.
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