OnStar
Buick LaCrosse / Buick LaCrosse Owners Manual / OnStar
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Without Selective Ride Control
1. Move the shift lever to the left
from D (Drive).
The transmission will enter
Manual Mode. The DIC gear
indicator will change to an M
followed by a number
representing the gear the vehicl ...
A/C OFF DUE TO HIGH
ENGINE TEMP
This message displays when the
engine coolant becomes hotter than
the normal operating temperature.
To avoid added strain on a hot
engine, the air conditioning
compressor automatically turns ...
Taillamps and Back-Up Lamps
A. Taillamp
B. Back-up Lamp
To replace an auxiliary taillamp or back-up lamp bulb:
1. Open the trunk. See Trunk.
2. Remove the three fasteners from the trunk trim.
3. Pull back the trunk trim ...
