I took my car in for an alignment. after checking under the car, the mechanics realized that the coolant tubing was made of plastic and broke. they stated that if i drove the car, i would be in danger of the car smoking and maybe catching fire. i had to replace the coolant. i was informed the jaguar has changed their engineering of this risk due to the number of complaints and repairs. i also have a 2012 xf and it has the same issue within the same week which is costing me $2200 to replace. this is a serious issue if the coolant issues results is smoking an potential fire of the engine.