Volkswagen Golf GTI 2016, Owner'S Manual

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Sometimes, engine oil should be changed more often than specified
for normal use. Change oil more frequently if you often drive short
distances, in dusty areas or in stop-and-go traffic, or if you use your
vehicle where temperatures stay below freezing for long periods.
Volkswagen recommends that you have your oil and oil filter
changed by an authorized Volkswagen dealer or an authorized
Volkswagen Service Facility → . They have the required expertise
and special tools and will dispose of the old oil properly.
Detergent additives in the oil will make fresh oil look dark after the
engine has been running a short time. This is normal and no reason
to change engine oil more often.