这是我从丰田网上找的，你看看，这大概就是你说的big M

Replace engine air filter

Replace engine coolant

Replace engine oil and oil filter

Rotate tires

Inspect the following:

Ball joints and dust covers     Brake lines and hoses     Brake linings/drums and brake pads/discs     Differential oil     Drive shaft boots     Exhaust pipes and mountings     Fuel lines and connections, fuel tank band and fuel tank vapor vent system hoses     Fuel tank cap gasket     Radiator, condenser and/or intercooler     Steering gear box     Steering linkage and boots     Transmission fluid or oil