https://paultan.org/2016/10/28/why-...bah-and-sarawak-than-in-west-malaysia-report/As for vehicles that are registered in East Malaysia, but driven in the Peninsular, he explained that there is no issue if you don’t get into an accident. If you do, there is a possibility the insurance company will not bear the costs, and you will be unable to claim anything. To prevent this unpleasantness, Mohamad Dalib said owners should inform the JPJ that the vehicle will be used in Peninsular Malaysia.
Anybody did this? If don't feel like posting on public forum pls PM me.
EDIT: My insurance covers driving in MALAYSIA, Thailand, Brunei & Singapore..hehehe