5W30
It's Just under 7litres. Google XK8 Oil Capacity for specific figures and the correct oil to use.
10W-30
7.5 litres
in the trunk on the o/s
You'll find that the key goes into a keyhole hidden in the Chrome "XK8" badge on the rear panel. Between the k and the 8 if I recall.
The 1999 Jaguar XK8 with a 4.0-liter engine typically requires about 8 quarts of oil for a complete oil change, including the oil filter. It's always a good idea to check the owner's manual or consult with a mechanic for the exact specifications and recommendations.
R134aR134a
To open the trunk of a 2002 Jaguar XK8 with a dead battery, you can use the manual key. Locate the keyhole on the trunk lid, usually hidden under a small cover or trim piece. Insert the key and turn it to unlock the trunk. If the keyhole is not accessible or the trunk remains locked, you may need to access the trunk from the back seat by folding down the rear seats, if applicable.
The diagnostic port on a 2002 Jaguar XK8 is located beneath the dashboard on the driver's side. Specifically, it can be found near the steering column, often accessed by removing a cover panel. This OBD-II port allows for connection to diagnostic tools for troubleshooting and vehicle diagnostics.
Special adhesive needed available at auto parts or Wal-Mart
The XK8 is computer chip limited to 155mph.
The 2002 Jaguar XK8 is designed to run on premium unleaded fuel with an octane rating of 91 or higher. Using fuel with a lower octane rating may affect performance and fuel efficiency. For optimal engine performance and to prevent knocking, it's best to stick with the recommended octane level.