Lamp Messages
SERVICE LEFT HEADLAMP ASSEMBLY
On some models, this message will be displayed when the left headlamp is out and needs to be serviced. See “LED Lighting” in LED Lighting for more information.
SERVICE RIGHT HEADLAMP ASSEMBLY
On some models, this message will be displayed when the right headlamp is out and needs to be serviced. See “LED Lighting” in LED Lighting for more information.
TURN SIGNAL ON
This message displays and a chime sounds if a turn signal is left on for 1.2 km (3/4 of a mi). Move the turn signal/multifunction lever to the off position.
See also:
Vehicle Overview
Cadillac stepped into rear-wheel-drive territory with its STS sedan, which
replaced the front-wheel-drive Seville for 2005. Built on a Sigma-based
architecture, like the company's smaller CTS seda ...
Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to
check tire pressure levels. The TPMS sensors monitor the air pressure in your
tires and transmit tire pressure readings to ...
Using this Manual
To quickly locate information about the vehicle, use the Index in the back of
the manual. It is an alphabetical list of what is in the manual and the page number
where it can be found. ...






