1999 BUICK REGAL Owners Manual

Page 321 of 368

BUICK REGAL 1999  Owners Manual yellowblue     
Scheduled Maintenance
7-7
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
30,000 Miles (50 00

Page 322 of 368

BUICK REGAL 1999  Owners Manual Scheduled Maintenance
yellowblue     
7-8
37,500 Miles (62 500 km)
Check Oil Life Monitor. If engine oil and filter are changed, reset monitor. 
See ªEngine Oilº in the Index. 
An Emission Control

Page 323 of 368

BUICK REGAL 1999  Owners Manual yellowblue     
Scheduled Maintenance
7-9
50,000 Miles (83 000 km)
Change automatic transaxle fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city

Page 324 of 368

BUICK REGAL 1999  Owners Manual Scheduled Maintenance
yellowblue     
7-10
60,000 Miles (100 000 km)
Check Oil Life Monitor. If engine oil and filter are changed, reset monitor. 
See ªEngine Oilº in the Index. 
An Emission Contro

Page 325 of 368

BUICK REGAL 1999  Owners Manual yellowblue     
Scheduled Maintenance
7-11
67,500 Miles (112 500 km)
Check Oil Life Monitor. If engine oil and filter are changed, reset monitor. 
See ªEngine Oilº in the Index. 
An Emission Contro

Page 326 of 368

BUICK REGAL 1999  Owners Manual Scheduled Maintenance
yellowblue     
7-12
82,500 Miles (137 500 km)
Check Oil Life Monitor. If engine oil and filter are changed, reset monitor. 
See ªEngine Oilº in the Index. 
An Emission Contro

Page 327 of 368

BUICK REGAL 1999  Owners Manual yellowblue     
Scheduled Maintenance
7-13
97,500 Miles (162 500 km)
Check Oil Life Monitor. If engine oil and filter are changed, reset monitor. 
See ªEngine Oilº in the Index. 
An Emission Contro

Page 328 of 368

BUICK REGAL 1999  Owners Manual Scheduled Maintenance
yellowblue     
7-14
150,000 Miles (240 000 km)
Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See ªEngine Coolantº in