Have you done your yearly application of undercarriage compound recently for your Myvi? Is it a mandatory application or does it depend on service centre recommendation.

On 02/10/2013, receive reply from Perodua, check out below.
On 28/10/2013, finally done the anti rust. No need pay anything except for RM33 labour charge but need to bear the anti rust smell which is like burnt object.

Reply from Perodua 02/10/2013

Anti Rust Done