GMC Terrain: Warning Lights, Gauges, and Indicators / Wait-to-Start Light
For diesel engines, the wait-to-start
light shows that the engine is
functioning properly and indicates
when the engine can be started.
The fast warm-up glow plug system
makes the wait-to-start light stay on
for a shorter amount of time than
most diesel engines.
For more information, see Starting
the Engine.
This light comes on briefly when the
engine is started.
If the light does not come on, have
the vehicle serviced by your dealer.
If the system is working normally,
the indicator light turns off...
For vehicles with the Tire Pressure
Monitor System (TPMS), this light
comes on briefly when the engine is
started. It provides information
about tire pressures and the TPMS...
Other information:
Diesel Exhaust Fluid (DEF) is used
with diesel engines to reduce the
amount of regulated emissions
produced. The DEF system must be
maintained for the vehicle to run
properly. It is normal to hear the
DEF system purge fluid back into
the tank after the vehicle is shut off...
Fuel (LYX - 1.5L L4 Turbo Engine)
Regular Unleaded Fuel
Use only Regular 87 octane — (R+M)/2 — or higher unleaded gasoline in your
vehicle. TOP TIER Detergent Gasoline is recommended. Do not use gasoline
with an octane rating lower as it will
result in reduced performance and lower fuel economy...