2020 BUICK REGAL service interval

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Page 163 of 378

BUICK REGAL 2020  Owners Manual Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
162 Climate Controls
.Keep all outlets open whenever
possible for best system
performance.
. Keep the path under

Page 242 of 378

BUICK REGAL 2020  Owners Manual Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Vehicle Care 241
When the system has calculated
that oil life has been diminished, it
indicates that an oil chang

Page 243 of 378

BUICK REGAL 2020  Owners Manual Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
242 Vehicle Care
Caution (Continued)
not be covered by the vehicle
warranty. Always use the correct
automatic tra

Page 323 of 378

BUICK REGAL 2020  Owners Manual Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
322 Service and Maintenance
Service and
Maintenance
General Information
General Information . . . . . . . . . . 3