Tires; Sheet Metal Damage - Buick 2007 Rendezvous Owner's Manual

Notice: Using chrome polish on aluminum
wheels could damage the wheels. The repairs
would not be covered by your warranty.
Use chrome polish on chrome wheels only.
Use chrome polish only on chrome-plated wheels,
but avoid any painted surface of the wheel, and
buff off immediately after application.
Notice: If you drive your vehicle through an
automatic car wash that has silicone carbide
tire cleaning brushes, you could damage the
aluminum or chrome-plated wheels. The repairs
would not be covered by your warranty. Never
drive a vehicle equipped with aluminum or
chrome-plated wheels through an automatic car
wash that uses silicone carbide tire cleaning
brushes.
Do not take your vehicle through an automatic
car wash that has silicone carbide tire cleaning
brushes. These brushes can also damage the
surface of these wheels.
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Tires

To clean the tires, use a stiff brush with tire
cleaner.
Notice: Using petroleum-based tire dressing
products on your vehicle may damage the
paint finish and/or tires. When applying a tire
dressing, always wipe off any overspray
from all painted surfaces on your vehicle.

Sheet Metal Damage

If the vehicle is damaged and requires sheet metal
repair or replacement, make sure the body repair
shop applies anti-corrosion material to parts
repaired or replaced to restore corrosion protection.
Original manufacturer replacement parts will
provide the corrosion protection while maintaining
the warranty.