my car is not starting
That is not good . So what do you plan to do about it ?
Jaguars look best when parked in the driveway. They do not need to run.
Does it crank but not start or just not crank?
If this car has been parked and not used for a period of time the first step would be to recharge the battery. Every day I see vehicles brought in for a “repair” when they only need to have the battery recharged.