Suzuki GRAND VITARA XL-7 Owner's Manual page 132

ANTILOCK BRAKE SYSTEM (ABS) 5E2-7
1) MALFUNCTION ANALYSIS
a) Customer Complaint Analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer.
For this purpose, use of such a questionnaire form as shown below will facilitate collecting information to
the point required for proper analysis and diagnosis.
CUSTOMER QUESTIONNAIRE (EXAMPLE)