經常短途駕駛充電不足會加速電池老化。除了電池/啟動馬達/油壓之外，air intake也與啟動有密切關係。

Clean up dirty throttle body, could improve engine cold start as well. 

https://www.walmart.com/ip/CRC-Industries-05078-Throttle-Body-and-Air-Intake-Cleaner-Wt-12-oz/44899521?wmlspartner=wlpa&selectedSellerId=1122&adid=22222222227032288550&wl0=&wl1=g&wl2=c&wl3=62506889216&wl4=aud-566049426865:pla-109740746456&wl5=9026804&wl6=&wl7=&wl8=&wl9=pla&wl10=101593696&wl11=online&wl12=44899521&wl13=&veh=sem&gclid=EAIaIQobChMIndHDjsS-3wIVHZ7ACh0wnQvNEAQYASABEgL4UvD_BwE

There are many video on youtube to show how to clean up throttle body.

Good luck.