Cadillac 2014 ELR User Manual download pdf (Page 3)

January 2014 3

As temperatures fall, it’s important to

remind Chevrolet Volt and Cadillac ELR

owners that the electric range of their

vehicle can be affected. During colder

months, the energy needed to warm the

vehicle’s cabin and high-voltage battery

can cause the electric range to decline.

To help maximize electric vehicle (EV)

electric range during cold weather, fol-

low these tips. They can help Volt and

ELR owners in all climates increase their

vehicle’s efﬁciency.

Precondition while Plugged-In

Take advantage of the power of the grid

to heat the cabin and the high-voltage

battery prior to driving. The Volt and ELR

can be remote started several ways while

plugged in, including using the key fob or

the OnStar RemoteLink app available on

compatible smartphones and tablets.

Using energy from the grid to warm the

cabin enables the stored battery energy to

be reserved for driving. Maximum beneﬁt

is provided when using a 240V charger.

Keeping Warm on the Road

To maximize electric range, set the climate

mode setting from Comfort to Eco to help

reduce the energy used to heat the cabin.

If equipped, use the automatic heated

seats to keep warm. The heated seats use

less energy than heating the entire cabin.

Check Tire Pressures

As the outside temperature drops, the

air pressure in the tires drops as well.

Check the tire pressure and add more air

if needed to maintain the tire pressures at

the recommended level. Recommended

tire pressure is on the Tire and Loading

Information label inside the driver’s door

opening. Properly inﬂated tires can help

improve electric range and fuel economy.

Engine-Assisted Heating

On 2013-2014 Volt and 2014 ELR only,

this feature enables owners to select the

outside temperature level at which the

gas-powered generator will run to assist

heating while driving in Electric Mode.

The Engine-Assisted Heating options are:

• At Cold Outside Temperatures, below

approximately 35°F (2°C). This selection

maximizes the battery range and uses a

very small amount of gasoline to help

power the vehicle during cold temp-

eratures.

• At Very Cold Outside Temperatures,

below approximately 15°F (−10°C). This

selection uses less gasoline, but has a

larger adverse impact on battery range.

Three T’s

Remind customers of the three T’s to

maximizing electric range.

Temperature – Cold weather will

adversely impact electric range, but ef-

ﬁcient use of the climate system and pre-

warming the vehicle while it is plugged in

can help reduce the effect of cold outside

temperatures on electric range.

Terrain – Going up and down hills is

less efﬁcient than driving on ﬂat surfaces.

Where possible, avoid hilly routes to maxi-

mize electric range.

Technique – Aggressive acceleration

and deceleration are not as efﬁcient as

smooth, easy starts and stops. Use the ef-

ﬁciency gauge in the instrument cluster to

help drive more efﬁciently.

Thanks to Keith Newbury

2014 Cadillac ELR – continued from page 2

If the vehicle’s 12 V battery is weak or disconnected, the door

handle touch pads and door latch buttons may not operate. The

doors can be opened from the outside manually by opening the

trunk with the door key and pulling the door release tab below the

package shelf.

UNIQUE FEATURES

Heating and Air Conditioning

The heating system uses a high voltage heater when the engine

is not running and passenger compartment heat is requested. The

HVAC control module monitors the temperature sensors in the

passenger compartment, outside air, engine radiator, high voltage

heater and the engine to determine the position of the coolant ﬂow

control valve and if the high voltage heater is needed.

The 300 V electric A/C compressor is a self contained high

voltage inverter, electric motor, and direct coupled compressor. It

can provide cooling even when the engine is not running. The pulse

width modulated electric A/C compressor runs at a speed neces-

sary to maintain a desired cooling level rather than cycling the

compressor on and off.

At high ambient temperatures and high humidity, the driver may

notice a unique high-pitched sound from the compressor when the

vehicle is stopped or at low speeds. This is considered normal. The

A/C compressor is serviced as a unit.

Normal Sounds

Due to the quiet nature of the ELR's propulsion system, certain

sounds that otherwise may have been masked will be apparent

– the electric engine cooling fan, coolant pumps, the air condition-

ing compressor and the HVAC blower. The drive motor battery

cooling system may be operational during charging or when the

vehicle is powered down.

The electric motor may be heard as the vehicle moves. This is a

normal operating characteristic.

ELR uses active noise cancelling at all engine speeds. It gathers

input from the generator and powertrain, and from three ceiling-

mounted microphones. The system produces a noise-cancelling

signal through the audio system.

Hoist Contact Lift Points

A low proﬁle lift arms sys-

tem may be required to

avoid unwanted contact

with the vehicle's body and

structure depending on

the lifting equipment being

used. Refer to the hoist

manufacturer's recommen-

dation.

Refer to #PI1141 for

further details, including

required service train-

ing courses and a list of

special tools.

Thanks to Chuck Wieseckel and Sherman Dixon

Cold Weather EV Electric Range Tips

Proper front hoist contact lift point.

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