97 land rover range rover hse
 

Need to reset service light cant locate brown relay box with rover sticker

Service light 97 land rover range rover hse
 

Need to reset service light

Code reader. Any local auto parts shop. OBD2 Plug passenger footwell. near the hump.

To the best of my understanding "service engine" on a P38 is same as the "check engine" light on a classic RR or Disco. "service engine" on a classic or Disco is a non-issue.

In other words, you have a code.