2010 Buick LaCrosse Owner's Manual - Page 100

4-14 . Instruments and Controls This reading indicates the same thing as the warning light. It means that the engine coolant has overheated. If the vehicle has been operating under normal driving conditions, pull off the road, stop the vehicle, and turn off the engine as soon as possible. See Engine Overheating on page 9‑21 for more information. safety belts. Then the light stays on solid until the belt is buckled. This cycle may continue several times if the driver remains or becomes unbuckled while the vehicle is moving. If the driver safety belt is buckled, neither the light nor chime come on. The gauge takes a few seconds to stabilize after the ignition is turned on, and goes back to empty when the ignition is turned off. Engine Coolant Temperature Gauge Safety Belt Reminders Driver Safety Belt Reminder Light There is a driver safety belt reminder light on the instrument panel cluster. Passenger Safety Belt Reminder Light This gauge shows the engine coolant temperature. If the gauge pointer moves towards the shaded area, the engine is too hot. When the vehicle is started this light flashes and a chime may come on to remind drivers to fasten their When the vehicle is started this light flashes and a chime comes on to remind passengers to fasten their safety belt. Then the light stays on solid until the belt is buckled. This cycle continues several times if the passenger remains or becomes unbuckled while the vehicle is moving.