Buick 2011 Regal Automobile User Manual


 
10-56 Vehicle Care
size, load range, speed rating,
and construction type (radial and
biasbelted tires) as your
vehicle's original tires.
Vehicles that have a tire
pressure monitoring system
could give an inaccurate
lowpressure warning if nonTPC
Spec rated tires are installed
on your vehicle. NonTPC
Spec rated tires may give a
lowpressure warning that is
higher or lower than the proper
warning level you would get with
TPC Spec rated tires. See Tire
Pressure Monitor System
on
page 1048
.
Your vehicle's original
equipment tires are listed on the
Tire and Loading Information
label. See Vehicle Load Limits
on page 912
for more
information about the Tire and
Loading Information label and its
location on your vehicle.
Different Size Tires and
Wheels
If you add wheels or tires that are a
different size than your original
equipment wheels and tires, this
could affect the way your vehicle
performs, including its braking, ride
and handling characteristics,
stability, and resistance to rollover.
Additionally, if your vehicle has
electronic systems such as antilock
brakes, rollover airbags, traction
control, and electronic stability
control, the performance of these
systems can be affected.
{
WARNING
If you add different sized wheels,
your vehicle may not provide an
acceptable level of performance
and safety if tires not
recommended for those wheels
are selected. You may increase
the chance that you will crash and
(Continued)
WARNING (Continued)
suffer serious injury. Only use GM
specific wheel and tire systems
developed for your vehicle, and
have them properly installed by a
GM certified technician.
See Buying New Tires
on
page 1054
and Accessories and
Modifications
on page 103
for
additional information.
Uniform Tire Quality
Grading
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example:
Treadwear 200 Traction AA
Temperature A
The following information relates
to the system developed by the
United States National Highway