Suzuki Swift Water Level down issue

[ahsan.owais]

gari mai radiator mai coolant hai lkn bottle sy pani kam ho rha hai kia waja hosakti hai, gari heat up nhi horahi...mtlb normal jtna hoti hai utna nhi ho rahi hai.....As such koi issue nazar nahi araha mgr pani kam horaha hai....aik week mai bottle khali hojati hai....

[hash4u]

use coolant.coolant will leave stain behind if water is not dripping.
it can be a fault cap
weak old radiator
water pump
hose pipe