2010 GMC Terrain Owner's Manual - Page 106

4-14 . Instruments and Controls If the vehicle has been operated under normal driving conditions, and the temperature indicator light comes on, pull off the road, stop the vehicle and turn off the engine as soon as possible. This cycle repeats if the driver remains unbuckled and the vehicle is moving. If the driver safety belt is already buckled, neither the light nor chime come on. The gauge moves a little while turning a corner or speeding up. 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 The passenger safety belt reminder light is by the passenger airbag status indicator. United States Canada When the engine is started this light and the chime come on and stay on for several seconds to remind the passenger to fasten their safety belt. The light also begins to flash. This gauge measures the temperature of the vehicle's engine. If the indicator needle moves to the hot side of the gauge towards the colored line, the engine is too hot. A temperature indicator light will turn on. When the engine is started this light and a chime come on and stay on for several seconds to remind drivers to fasten their safety belts. The light also begins to flash.