galvanising is the base coat on bare metals. its the last line
of defence, to prevent rust in case the paint and the top few coats
fail. however quality differs between makes, some coat it thicker
some thinner.
on top of galvanising are a few more coats like primer, paints etc
etc. some good cars like volvo has a total of like 12 coats, dunno
what the march has, need to find out.
toughseal and some other brands are sacrificial paint protection,
it protects the acrylic coat of finished paint so that the gloss
look of your new paint can stay longer. however it will diminish
over time, different brands claim different duration and
performance, some can last like 18 months (!). check them out in
their websites or ask the marchies who have tried it.
also can see www.mycarforum.com to read about
protection and detailing, very informative.
as for reverse sensor, if you are a new driver and no so confident
then pay the $200 lor. for me i think its not necessary, the march
is a small car[/url]
