Check and replace missing removable items (tools, first aid kit, cubby torch, lighter, spare wheel, jack, handbooks, lock-nut etc.).
Check that seat belts meet all legal requirements. (Light on display, seat belt stalk, stretch marks on belt).
Pressure Test Cooling System, rectify any leaks and check engine cooling fan for correct operation.
Check all fluids levels (oils, water, brake fluid). Check and rectify any leaks (fuel, oil, transmission oil, etc.).
Check the condition of V-belt, fan belt and air conditioning belt, and replace if necessary.
Do a compression test
If above compression test shows any irregularities, then Leakage Test is necessary.