According to the latest J.D. Power 2016 Malaysia Customer Service Index (CSI) Study released today. 

This is the 14th annual survey and based on the findings Toyota ranks highest in overall service satisfaction (score of 763).
They are followed by Mazda which ranks second (760)
and Mitsubishi which ranks third (758).
The survey measures overall service satisfaction among car owners who took their vehicle to an authorized service center and is based on responses from 3,257 new-vehicle owners who purchased their mass market brand vehicle between February 2014 and May 2015. It examines dealership performance in five factors (in order of importance),viz., 1. service quality (32%); 2. service initiation (22%); 3. vehicle pick-up (18%); 4. service advisor (15%); and 5. service facility (13%). Brand service performance is measured on a 1,000-point scale.

 Click the link to read the press release.

Click here