ENGINE
Change the air filter, oil filter, fuel filter, oil, and coolant.
Check power steering fluid- change if dark or smells burnt.
Check that the timing belts have been changed in the last 80,000km
Check for oil leaks from the rocker cover, intake pipes, alternator.
Clean the battery terminals and electrical connections in the battery compartment.
Unplug each of the fusible links and clean the spade terminals.
DRIVETRAIN and SUSPENSION
Change oils: front and rear diffs, gearbox/automatic, transfer case.
Flush brake and clutch fluid.
Remove and clean front brake calliper sliding pins, apply clean silicone grease, reinstall.
Check transmission mount rubbers for cracks
Grease the driveshafts' U-joints
Grease front suspension ball joints, steering joints.
Check anti-roll bar mounting bushes.
Check subframe/cross member to chassis mounting nuts are tight.
BODY
Check for dampness in the front footwells
Refill front and rear windscreen washer reservoirs (you have to find them first

Find the fuel filler flap release- it's above the handbrake- and make sure it works.
..there must be other things?