Your credit limit will be determined by the bank's credit assessment.
Yes, your credit limit is shared, regardless of the number of supplementary accounts.
You may walk into any Maybank branch nationwide to fill up an application form, or call 603-22958877 for personal assistance. Alternativelty, you could also visit these websites to print out an application form:
Please call our 24-hour customer service hotline immediately at 1 800 889 559 for assistance.