there's really nothing special for break in with modern engines. just what little the OM says is good enough.
reason for this is the manufacturing tolerances have gotten much tighter over the years - most notably the piston bore dimensions are much tighter. there's very little of the rings wearing to the bore now.
I would just add it makes sense to use synthetic oil on any GDI or turbocharged engine. When you do get around to the first oil change I would seriously consider using a good, readily available synthetic like Pennzoil Platinum,etc. if you aren't already a member of the choir...typically changed a little earlier than the recommended first oil change mileage in the manual. Generally, I follow the manual/warranty and use OEM oil filters ( they're very good ) and record all maintenance/parts with receipts. I think Hyundai gives a Service Log booklet in the new car packet of all their cars. OK, that might be "post break-in" but those items could be more important than the break-in itself over the course of ownership. Good Luck.
VEHICLE BREAK-IN PROCESS
No special break-in period is needed.
By following a few simple precautions
for the first 600 miles (1,000 km) you
may add to the performance, economy
and life of your vehicle.
• Do not race the engine.
• While driving, keep your engine
speed (rpm, or revolutions per
minute) between 2,000 rpm and
• Do not maintain a single speed for
long periods of time, either fast or
slow. Varying engine speed is
needed to properly break-in the
• Avoid hard stops, except in emergencies,
to allow the brakes to seat
• Do not let the engine idle longer
than 3 minutes at one time.
I took somewhat care during the first 1000km, then pedal to the metal!