All joints in fuel system: check them for aging, damage, abnormal looseness or friction.
Exhaust system: check it for leak and damage, if necessary, adjust or replace.
Steering system: check level of power steering fluid and if the clearance between rack and pinion of
steering gear is appropriate; check connecting status of all connecting pieces and if the system works
normally; if necessary, repair or replace.
Cooling system: check level of antifreeze; check status of all connecting pipes for leak, if necessary,
replace.
Brake system: check level of brake fluid; check status of all connecting pipes for leak and damage; check
working status of the system; if necessary, repair or replace.
A/C system: check if its pressure is normal; check it for leak, abnormal noise and foreign flavor; check if
it works normally.
Tire (including spare tire): check depth of pattern, adjust tire pressure, and check tightening torque of
wheel bolt.
Connecting bolt of chassis and body: check it for looseness, if necessary, tighten.