Engine Heater - Cadillac ATS 2018 Owner's Manual

The outside temperature is not in
the required operating range,
typically below 10 °C (14 °F) or
above 50 °C (122 °F).
The shift lever is in any gear other
than D (Drive).
The battery has been recently
disconnected.
The battery charge is low.
The interior comfort level has not
reached the required level for the
climate control system or defog
settings.
See Dual Automatic Climate Control
System (Uplevel) 0 166 or Dual
Automatic Climate Control System
(Base) 0 162.
The Auto Stop time is greater than
two minutes.
The automatic engine stop/start
function can be disabled using the
switch. The indicator on the switch
will illuminate when the system is
operational.

Engine Heater

Vehicles with the engine heater can
use this option in cold weather
conditions at or below 18 °C (0 °F) for
easier starting and better fuel
economy during engine warm-up. Plug
in the engine heater at least four
hours before starting your vehicle. An
internal thermostat in the plug-end of
DRIVING AND OPERATING
the cord may exist which will prevent
engine heater operation at
temperatures above 18 °C (0 °F).
To Use the Engine Heater
1. Turn off the engine.
2. Open the hood and unwrap the
electrical cord. The cord is
clipped to the diagonal brace on
the passenger side of the engine
compartment.
Check the heater cord for
damage. If it is damaged, do not
use it. See your dealer for a
replacement. Inspect the cord for
damage yearly.
3. Plug it into a normal, grounded
110-volt AC outlet.
193