Chevrolet Sonic manuals

Audi Q7 (4M) 2016-2022 Owner's Manual: New tires or wheels

Audi recommends having all work on tires or wheels performed by an authorized Audi dealer or authorized Audi Service Facility.

These facilities have the proper knowledge and are equipped with the required tools and replacement parts.

Because the spare tire is different from the regular tires installed on the vehicle (such as winter tires or wide tires), only use the spare tire* temporarily in case of emergency and drive carefully while it is in use. It should be replaced with a regular tire as soon as possible.

Applies to: vehicles with all wheel drive: All four wheels must be equipped with tires that are the same brand and have the same construction and tread pattern so that the drive system is not damaged by different wheel speeds.

For this reason, in case of emergency, only use a spare tire* that is the same circumference as the regular tires.


Tire wear and damage

Fig. 171 Tire profile: treadwear indicator

Tire wear

Check the tires regularly for wear.

Treadwear indicator

Original equipment tires contain treadwear indicators in the tread pattern, which are bars that are 1/16 inch (1.6 mm) high and are spaced evenly around the tire perpendicular to the running direction > fig. 171. The letters "TWI" or triangles on the tire sidewall indicate the location of the treadwear indicators.

The tires have reached the minimum tread depth when they have worn down to the treadwear indicators. Replace the tires with new ones .

Tire rotation

Rotating the tires regularly is recommended to ensure the tires wear evenly. To rotate the tires, install the tires from the rear axle on the front axle and vice versa.

This will allow the tires to have approximately the same length of service life.

For unidirectional tires, make sure the tires are installed according to the running direction indicated on the tire sidewall.

Hidden damage

Damage to tires and rims can often occur in locations that are hidden. Unusual vibrations in the vehicle or pulling to one side may indicate that there is tire damage.

Reduce your speed immediately.

Check the tires for damage. If no damage is visible from the outside, drive slowly and carefully to the nearest authorized Audi dealer or authorized Audi Service Facility to have the vehicle inspected.


Tread that has worn too low or uneven tread depths on the tires can reduce driving safety.

This can increase the risk of an accident because it has a negative effect on handling, driving through curves, and braking, and because it increases the risk of hydroplaning when driving through deep puddles.

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Tire pressure
Fig. 172 Driver's side B-pillar: tire pressure label Fig. 173 Tire pressure label The correct tire pressure for tires installed at the factory is listed on a label. The label is located on the B-p ...

Other materials:

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