Buick LaCrosse Owner's Manual page 324

This vehicle may come with a jack
and spare tire or a tire sealant and
compressor kit. To use the jacking
equipment to change a spare tire
safely, follow the instructions below.
Then see
. To use the tire sealant
and compressor kit, see
or
When the vehicle has a flat tire (2),
use the following example as a
guide to assist you in the placement
of wheel blocks (1).
1. Wheel Block
2. Flat Tire
The following information explains
.
how to repair or change a tire.
If the vehicle has the tire sealant
and compressor kit shown above,
see the operating instructions that
follow.