Buick 2010 Lucerne - Manual (Page 192)

Speedometer and Odometer
The speedometer shows the vehicle speed in both
miles per hour (mph) and kilometers per hour (km/h).
The odometer shows how far the vehicle has been
driven, in either miles or kilometers.
This vehicle has a tamper resistant odometer.
If the vehicle needs a new odometer installed, the new
one can be set to the mileage total of the old odometer.
If this is not possible, it is set to zero and a label must
be put on the driver's door to show the old mileage
reading when the new odometer was installed.
Trip Odometer
A trip odometer show how far the vehicle has been
driven since the odometer was last set to zero. See
Driver Information Center (DIC) on page 4‑47 for
information on resetting the trip odometer.
Tachometer
The tachometer displays the engine speed in
revolutions per minute (rpm).
Safety Belt Reminders
Safety Belt Reminder Light
When the engine is started, a chime sounds for
several seconds to remind a driver to fasten the
safety belt, unless the driver safety belt is already
buckled.
The safety belt light
comes on and stays on
for several seconds, then
flashes for several more.
This chime and light are repeated if the driver remains
unbuckled and the vehicle is in motion. If the driver
safety belt is already buckled, neither the chime nor the
light comes on.
4-32