Tire Pressure Light; Engine Oil Pressure Light - GMC 2011 Yukon XL Denali Owner's Manual

5-24 Instruments and Controls
The light flashes if the system is
active and is working to assist the
driver with directional control of the
vehicle in difficult driving conditions.
®
See StabiliTrak System on
page 9 41 for more information.
If the vehicle is a hybrid, see the
hybrid supplement for more
information.

Tire Pressure Light

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.
When the Light is On Steady
This indicates that one or more of
the tires are significantly
underinflated.
A tire pressure message can
accompany the light. See Tire
Messages on page 5 42 for more
information. Stop as soon as
possible, and inflate the tires to the
pressure value shown on the Tire
and Loading Information label. See
Tire Pressure on page 10 54 for
more information.
When the Light Flashes First and
Then is On Steady
This indicates that there may be a
problem with the TPMS. The light
flashes for about a minute and stays
on steady for the remainder of the
ignition cycle. This sequence
repeats with every ignition cycle.
See Tire Pressure Monitor
Operation on page 10 58 for more
information.

Engine Oil Pressure Light

{
WARNING
Do not keep driving if the oil
pressure is low. The engine can
become so hot that it catches fire.
Someone could be burned. Check
the oil as soon as possible and
have the vehicle serviced.
Notice: Lack of proper engine oil
maintenance can damage the
engine. The repairs would not be
covered by the vehicle warranty.
Always follow the maintenance
schedule for changing engine oil.