Assuming you wish to top up the Air-Con, take it to a garage who can evacuate the system and recharge it. Avoid main dealer if you want to keep costs down.
R134a
R134a
If a Jag is like a Mercedes you can't. Expensive cars usually require a certified mechanic of that brand to do maintenance on the car. Take it to a dealership.
R-134
R134a
The easiest way to reset the check engine light on a 2003 Jaguar XJ, is to remove the fuse. Keep the fuse out for 10 seconds and then put it back in. If the engine light remains on you should see a mechanic.
Dot 3
R-134A type refrigerant (not freon) can be added thru the service port of the low side of the A/C system (by the firewall, below the passenger wiper arm, behind the transaxle fluid level dipstick) with a recharging kit...
Yes since that is the proper type of freon.
r134a for a 2001 Ford Expedition
Buy a kit at Wal-Mart or auto parts comes with instructions
You can recharge your air conditioning system by putting Freon into the low pressure port. The low pressure port can be found on top of the air conditioning compressor.