2011 Buick Lucern Owner's Manual - Page 206

CHANGE ENGINE OIL SOON This message displays when service is required for the vehicle. See your dealer. See Engine Oil on page 6 ‑ 18 and Scheduled Maintenance on page 7 ‑ 3 for more information. Acknowledging the CHANGE ENGINE OIL SOON message will not reset the OIL LIFE REMAINING. That must be done at the OIL LIFE screen under the vehicle information menu. See "Oil Life" under DIC Operation and Displays on page 4 ‑ 42 and Engine Oil Life System on page 6 ‑ 22 . ENGINE OVERHEATED IDLE ENGINE Notice: If you drive your vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soon as possible. Do not increase the engine speed above normal idling speed. See Engine Overheating on page 6‑35 for more information. This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. DRIVER DOOR OPEN This message displays when the driver door is not closed properly. Make sure that the door is closed completely. ENGINE OVERHEATED STOP ENGINE Notice: If you drive your vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soon as possible. See Engine Overheating on page 6‑35 for more information. This message displays along with a continuous chime when the engine has overheated. Stop and turn the engine off immediately to avoid severe engine damage. See Engine Overheating on page 6‑35. ENGINE HOT A/C (Air Conditioning) OFF 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 is automatically turned off. When the coolant temperature returns to normal, the A/C operation automatically resumes. You can continue to drive your vehicle. If this message continues to appear, have the system repaired by your dealer as soon as possible to avoid compressor damage. 4-50