WARNING
Always use wheels of the correct size on your vehicle:
Using a wrong-sized wheel is dangerous. Braking and handling could be affected, leading to loss of control and an accident.
CAUTION
A wrong-sized wheel may adversely affect:
NOTE
Proper tire balancing provides the best riding comfort and helps reduce tread wear. Out-of-balance tires can cause vibration and uneven wear, such as cupping and flat spots.
Temporary Spare Tire
Light BulbsMazda 6 Owners Manual: Temporary Spare Tire
   Inspect the temporary spare tire at least monthly to make sure it is properly 
inflated and stored.
NOTE
The temporary spare tire condition gradually deteriorates even if it has not 
been used.
The temporary spare tire is easier to handle because of its construction which 
is lighter and small ...
   
Mazda 6 Owners Manual: Front wheel alignment
   Specification (Unloaded)*1
Normal
Elevated*3
*1 : Engine coolant and engine oil are at specified level. Spare tire, jack 
and tools are in designated position.
*2 : Difference between left and right must not exceed 1°30'.
*3 : Distance between wheel center and fender brim is 402 mm {15.8  ...