300 series diff lock

hi guys my parents just bought a 300 series discovery

Tidy truck no major rot anywhere so happy days

Trying to use diff lock

How do you select it ??? High - low works & selects fine but can't seem to operate diff lock

Any help would be great

Is it likely to be seized on the stick if it wasn't used much


Cheers

Nic

Below is how you select diff lock, and yes the selector/gear lever could be seized due to lack of lubrication. But u may find it engages easer when the transfer box oil warms up.

To lock the differential:
Move the transfer gear lever to the left - from either ’H’ (high) or ’L’ (low) gearbox (the warning light on the instrument panel will illuminate).
To unlock the differential:
Move the transfer gear lever to the right - to either ’H’ (high) or ’L’ (low) gearbox as required; when the diff lock disengages the warning light will extinguish.