Without a doubt, when in a car situation, it is best to use car seats. If u haven't gotten ur pram, u can consider those that can detach the thing to be the car seat kind. Any other combination outside the usage of a car seat has risks and danger which u will need to understand and undertake. Personally, Whenever we go out, we just uber/cab and have baby in a carrier and wear the seatbelt but adjust the diagonal to the base - as if pregnant. Like I mentioned, this is what I do and we undertake the risks associated with it.
Sometimes we bus or mrt to my parent's place or in laws place because all the houses are right beside mrt/LRT kind. Anything further we grab/uber. U may consider a weekend plate
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