Cadillac LYRIQ Owner Manual (GMNA-Localizing-Europe-16878479) -
2024 - CRC - 9/20/23
Vehicle Care 269
The TPMS can warn about a low tyre
pressure condition but it does not replace
normal tyre maintenance. See Tyre
Inspection 0 270, Tyre Rotation 0 271, and
Tyres 0 263.
Caution
Tyre sealant materials are not all the
same. A non-approved tyre sealant could
damage the TPMS sensors. TPMS sensor
damage caused by using an incorrect tyre
sealant is not covered by the vehicle
warranty. Always use only the GM
approved tyre sealant available through
your Cadillac Service Centre or included in
the vehicle.
TPMS Malfunction Light and Message
The TPMS will not function properly if one
or more of the TPMS sensors are missing or
inoperable. When the system detects a
malfunction, the low tyre pressure warning
light flashes for about one minute and then
stays on for the remainder of the time the
vehicle is on. A DIC warning message also
displays. The malfunction light and DIC
warning message come on each time the
vehicle is turned on until the problem is
corrected. Some of the conditions that can
cause these to come on are:
.
One of the road tyres has been replaced
with the spare tyre. The spare tyre does
not have a TPMS sensor. The malfunction
light and DIC message should go off after
the road tyre is replaced and the sensor
matching process is performed
successfully. See “TPMS Sensor Matching
Process” later in this section.
.
The TPMS sensor matching process was
not done or not completed successfully
after rotating the tyres. The malfunction
light and the DIC message should go off
after successfully completing the sensor
matching process. See "TPMS Sensor
Matching Process" later in this section.
.
One or more TPMS sensors are missing or
damaged. The malfunction light and the
DIC message should go off when the
TPMS sensors are installed and the sensor
matching process is performed
successfully. See your Cadillac Service
Centre for service.
.
Replacement tyres or wheels do not
match the original equipment tyres or
wheels. Tyres and wheels other than
those recommended could prevent the
TPMS from functioning properly. See
Buying New Tyres 0 272.
.
Operating electronic devices or being near
facilities using radio wave frequencies
similar to the TPMS could cause the TPMS
sensors to malfunction.
If the TPMS is not functioning properly it
cannot detect or signal a low tyre pressure
condition. See your Cadillac Service Centre
for service if the TPMS malfunction light and
DIC message come on and stay on.
Tyre Fill Alert (If Equipped)
This feature provides visual and audible
alerts outside the vehicle to help when
inflating an underinflated tyre to the
recommended cold tyre pressure.
When the low tyre pressure warning light
comes on:
1. Park the vehicle in a safe, level place.
2. Apply the parking brake firmly.
3. Place the vehicle in P (Park).
4. Add air to the tyre that is underinflated.
The indicator lamp will flash.
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