Chevrolet 2011 Colorado User Manual download pdf (Page 309)

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Chevrolet Colorado Owner Manual - 2011

Vehicle Care 10-63

Different Size Tires and

Wheels

If wheels or tires are installed that

are a different size than the original

equipment wheels and tires, vehicle

performance, including its braking,

ride and handling characteristics,

stability, and resistance to rollover

may be affected. If the vehicle has

electronic systems such as antilock

brakes, rollover airbags, traction

control, and electronic stability

control, the performance of these

systems can also be affected.

{

WARNING

If different sized wheels are used,

there may not be an acceptable

level of performance and safety

if tires not recommended for

those wheels are selected. This

increases the chance of a crash

and serious injury. Only use GM

specific wheel and tire systems

(Continued)

WARNING (Continued)

developed for the vehicle, and

have them properly installed by a

GM certified technician.

See Buying New Tires on

page 10‑61 and Accessories and

Modifications on page 10‑4 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

Traffic Safety Administr ation

(NHTSA), which grades tires

by treadwear, traction, and

temperature performance . This

applies only to vehicles sold in

the United States. The grades

are molded on the sidewalls of

most passenger car tires.

The Uniform Tire Quality

Grading (UTQG) system

does not apply to deep tread,

winter-type snow tires,

space-saver, or temporary use

spare tires, tires with nominal

rim diameters of 10 to 12 inches

(25 to 30 cm), or to some

limited-production tires.

While the tires available on

General Motors passenger cars

and light trucks may vary with

respect to these grades, they

must also conform to federal

safety requirements and

additional General Motors Tire

Performance Criteria (TPC)

standards.

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