Tire Pressure Monitor; Resetting The Engine Oil; Life System; Recommended Fuel - Buick lucerne 2009 Getting To Know Manual

Tire Pressure Monitor

(if equipped)
The Tire Pressure Monitor alerts you
when a significant reduction in
pressure occurs in one or more of your
vehicle's tires by illuminating the
(low tire pressure) warning light on the
instrument panel cluster.The low tire
pressure warning light will remain on
until you correct the tire pressure.
A CHECK TIRE PRESSURE message may
also appear on the DIC (if equipped).
Correcting the Tire Pressure
When the low tire pressure warning
light illuminates, you must fill the tire
to the proper tire inflation pressure
(just as you must refuel the vehicle
when the low fuel warning light
illuminates). The Tire and Loading
Information label shows the correct
inflation pressure for the tires when
they're cold."Cold" means your vehicle
has been sitting for at least three hours
or driven no more than one mile.
You can temporarily clear the DIC
message by acknowledging it by pressing
the (Set/Reset) button on the DIC
controls. However, at the next vehicle
startup, the DIC message will reappear if
the tire pressure has not been corrected.
During cooler conditions, the low tire
pressure warning light may appear when
the vehicle is first started and then turn
off as you start to drive the vehicle. This
could be an early indicator that your
tire pressures are getting low and need
to be inflated to the proper pressure.
See Section 5 of your Owner Manual.
Note: The Tire Pressure Monitor can alert
you about low tire pressure, but it doesn't
replace normal monthly tire maintenance.

Resetting the Engine Oil

Life System

The Oil Life System calculates engine
oil life based on vehicle use and
displays CHANGE ENGINE OIL SOON
in the Driver Information Center (DIC)
when it's necessary to change your
engine oil and filter. The Oil Life
System should be reset to 100%
only following an oil change.
To reset the Oil Life System:
1. Turn the key to On, with the
engine off.
2. Press the (Vehicle Information)
button until the DIC displays
ENGINE OIL LIFE.
3. Press and hold the
button until 100% ENGINE OIL LIFE
is displayed.
4. Turn the key to Off.
See Section 5 of your Owner Manual.

Recommended Fuel

If your vehicle has the 3.9L V6
engine, you can use either unleaded
gasoline or ethanol fuel containing
up to 85% ethanol (E85).
Premium fuel is recommended for
Lucerne models equipped with the
4.6L V8 engine. Premium fuel
enables the V8 to provide maximum
performance, but unleaded regular
fuel may be used with no harmful
effects to the engine.
See Section 5 of your Owner Manual.
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(Set/Reset)