Retained Accessory; Power (Rap); Engine Coolant Heater - Cadillac 2016 CTS Owner's Manual

display. The indicator on the switch
will illuminate when the system is
operational.
h
When comes on green in the
instrument cluster, the system is
active. The system is not active
when it comes on white with a slash
through it.

Retained Accessory

Power (RAP)

These vehicle accessories can be
used for up to 10 minutes after the
engine is turned off:
Audio System
Power Windows
Sunroof (if equipped)
Power to the audio system will work
up to 10 minutes or until the driver
door is opened. Power to the
windows or sunroof will work up to
10 minutes or until any door is
opened.

Engine Coolant Heater

Vehicles with the engine coolant
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 coolant heater
at least four hours before starting
your vehicle. An internal thermostat
in the plug-end of the cord may exist
which will prevent engine coolant
heater operation at temperatures
above 18 °C (0 °F).
To Use the Engine Coolant
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.
Driving and Operating
3. Plug it into a normal, grounded
110-volt AC outlet.
Warning
Improper use of the heater cord
or an extension cord can damage
the cord and may result in
overheating and fire.
Plug the cord into a
three-prong electrical utility
receptacle that is protected
by a ground fault detection
function. An ungrounded
outlet could cause an
electric shock.
Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension
cord in good operating
condition, or using a
damaged heater or
extension cord, could make
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