Run-Flat Tyres - Cadillac 2015 ATS Owner's Manual

10-36 Vehicle Care
Use only radial ply tyres of the
same size, load range and
speed rating as the original
equipment tyres.
Winter tyres with the same speed
rating as the original equipment
tyres may not be available for H, V,
W, Y and ZR speed rated tyres.
If winter tyres with a lower speed
rating are chosen, never exceed the
tyre's maximum speed capability.

Run-Flat Tyres

This vehicle, when new, may have
had run-flat tyres. There is no spare
tyre, no tyre changing equipment
and no place to store a tyre in the
vehicle.
The vehicle also has a Tyre
Pressure Monitor System (TPMS)
that indicates a loss of tyre pressure
in any of the tyres.
Warning
If the low tyre warning light
displays on the instrument cluster,
the handling capabilities will be
reduced during severe
manoeuvres. Driving too fast
could cause loss of control and
you or others could be injured. Do
not drive over 90 km/h (55 mph)
when the low tyre warning light is
displayed. Drive cautiously and
check the tyre pressures as soon
as possible.
Run-flat tyres can be driven on with
no air pressure. There is no need to
stop on the side of the road to
change the tyre. Continue driving;
however, do not drive too far or too
fast. Driving on the tyre may not be
possible if there is permanent
damage. To prevent permanent
damage, keep speed below 80 km/h
(50 mph). With a light load the
vehicle can be driven up to 100 km
(60 mi); with a moderate load 80 km
(50 mi); and a heavy load 45 km
(25 mi). As soon as possible,
contact the nearest authorised GM
or run-flat servicing facility for
inspection and repair or
replacement.
When driving on a deflated run-flat
tyre, avoid potholes and other road
hazards that could damage the tyre
and/or wheel beyond repair. When a
tyre has been damaged, or driven
any distance while deflated, check
with an authorised run-flat tyre
service centre to determine whether
the tyre can be repaired or should
be replaced. To maintain the run-flat
feature, all replacement tyres must
be run-flat tyres.
To locate the nearest GM or run-flat
servicing facility, call Customer
Assistance.
The valve stems on run-flat tyres
have sensors that are part of the
TPMS. See Tyre Pressure Monitor
System on page 10-39. These
sensors contain batteries that are
designed to last for 10 years under