Engine Oil Additives/Engine Oil Flushes
Buick Regal / Buick Regal Owners Manual / Vehicle Care / Vehicle Checks / Engine Oil / Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position.
► For automatic transmission vehicles, the ignition should turn to LOCK/OFF only ...
Horn
Press near or on the horn symbols on your
steering wheel pad to sound the horn. ...
Lamps On Reminder
The lamps on reminder light comes
on when the lights are in use. ...
