Can all 4S shops perform the first maintenance for Buick cars?

[StJayla]

All 4S shops can perform the first maintenance for Buick cars, but free maintenance is only available at Buick-branded 4S shops, and it is nationwide warranty. First maintenance items for Buick cars: The first maintenance for Buick cars is required at around 3,500 kilometers. The main items include changing the engine oil and oil filter, checking whether the throttle is dirty (computer matching is required after cleaning); Checking whether the coolant level is normal; Checking the power steering fluid level and whether there is any oil leakage at the pipe connections; Inspecting the condition of the generator, air conditioning, water pump, and belts for aging and tightness; Adding fuel system cleaner every time the engine oil is changed; Checking the ignition timing; Checking the manual transmission fluid; Inspecting the evaporative emission carbon canister and vapor lines; Checking the front and rear wheel brakes, parking brakes, etc.