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label. It tells you the Gross Vehicle Weight Rating (GVWR) and the Gross Axle Weight Rating (GAWR) for the front and rear axle; see “Certification Label” later in this section.
Driving and Operating
9-13
“Steps for Determining Correct Load Limit– 1. Locate the statement "The
combined weight of occupants and cargo should never exceed XXX kg or XXX lbs." on your vehicle’s placard.
2. Determine the combined weight of the driver and passengers that will be riding in your vehicle.
3. Subtract the combined weight of the driver and passengers from XXX kg or XXX lbs.
4. The resulting figure equals
the available amount of cargo and luggage load capacity. For example, if the "XXX" amount equals 1400 lbs. and there will be five 150 lb passengers in your vehicle, the amount of available cargo
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Driving and Operating
and luggage load capacity is 650 lbs. (1400-750 (5 x 150) = 650 lbs.)
5. Determine the combined
6.
weight of luggage and cargo being loaded on the vehicle. That weight may not safely exceed the available cargo and luggage load capacity calculated in Step 4. If your vehicle will be towing a trailer, load from your trailer will be transferred to your vehicle. Consult this manual to determine how this reduces the available cargo and luggage load capacity of your vehicle.”
The vehicle is neither designed nor intended to tow a trailer.
Example 1
Example 2
1. Vehicle Capacity Weight for Example 1 = 453 kg (1,000 lbs).
2. Subtract Occupant Weight
@ 68 kg (150 lbs) × 2 = 136 kg (300 lbs).
3. Available Occupant and Cargo Weight = 317 kg (700 lbs).
1. Vehicle Capacity Weight for Example 2 = 453 kg (1,000 lbs).
2. Subtract Occupant Weight
@ 68 kg (150 lbs) × 5 = 340 kg (750 lbs).
3. Available Cargo Weight =
113 kg (250 lbs).
Cadillac ELR Owner Manual 2014 - Second Edition - 1/22/14
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Driving and Operating
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seating positions. The combined weight of the driver, passengers, and cargo should never exceed the vehicle's capacity weight.
Certification Label
Example 3
1. Vehicle Capacity Weight for Example 3 = 453 kg (1,000 lbs).
2. Subtract Occupant Weight
@ 91 kg (200 lbs) × 5 = 453 kg (1,000 lbs).
3. Available Cargo Weight =
0 kg (0 lbs).
Refer to the vehicle's Tire and Loading Information label for specific information about the vehicle's capacity weight and
Label Example
A vehicle-specific Certification label is found on the center pillar (B-pillar). The label shows the gross weight capacity of the vehicle. This is the Gross Vehicle Weight Rating (GVWR) and includes the weight of the vehicle, all occupants, fuel, and
cargo. Never exceed the GVWR for the vehicle, or the Gross Axle Weight Rating (GAWR) for either the front or rear axle. Spread out heavy loads equally on both sides of the vehicle. See “Steps for Determining Correct Load Limit” earlier in this section.
{ Warning
Do not load the vehicle any heavier than the Gross Vehicle Weight Rating (GVWR), or either the maximum front or rear Gross Axle Weight Rating (GAWR). This can cause systems to break and change the way the vehicle handles. This could cause loss of control and a crash. Overloading can also shorten the life of the vehicle.
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Driving and Operating
If you put things inside the vehicle — like suitcases, tools, packages, or anything else — they will go as fast as the vehicle goes. If you have to stop or turn quickly, or if there is a crash, they will keep going.
{ Warning
Things inside the vehicle can strike and injure people in a sudden stop or turn, or in a crash.
. Put things in the cargo
area of the vehicle. In the cargo area, put them as far forward as possible. Try to spread the weight evenly.
(Continued)
Starting and Operating
New Vehicle Break-In The vehicle does not require a break-in period. Vehicle break-in is performed during manufacturing.
Power Button
Warning (Continued)
. Never stack heavier
things, like suitcases, inside the vehicle so that some of them are above the tops of the seats.
. Do not leave an
unsecured child restraint in the vehicle.
. Secure loose items in the
vehicle.
. Do not leave a seat folded
down unless needed.
The vehicle has an electronic pushbutton start. The POWER O button light is on steady when in
Cadillac ELR Owner Manual 2014 - Second Edition - 1/22/14
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Black plate (17,1)
ON/RUN power mode. When the vehicle is turned off, the POWER O button light will turn off. The Remote Keyless Entry (RKE) transmitter must be in the vehicle for the system to operate. If the vehicle will not start, place the RKE transmitter in the transmitter slot. See Remote Keyless Entry (RKE) System Operation on page 2-2. ON/RUN: This position is for starting and driving. With the vehicle off, and the brake pedal applied, pressing the POWER O button once will place the vehicle in ON/RUN. When the READY light is on in the instrument cluster, the vehicle is ready to be driven. This could take up to 15 seconds at extremely cold temperatures. See Vehicle Ready Light on page 5-25. The engine will only start if needed. If the vehicle did not start, the instrument cluster will display a screen with inactive fuel and battery gauges. See Starting and Stopping the Vehicle on page 9-18.
Driving and Operating
9-17
Service Only Mode This power mode is available for service and diagnostics, and to verify the proper operation of the malfunction indicator lamp as may be required for emission inspection purposes. With the vehicle off, and the brake pedal not applied, pressing and holding the POWER O button for more than five seconds will place the vehicle in Service Only Mode. The instruments and audio systems will operate as they do in ON/RUN, but the vehicle will not be able to be driven. The propulsion system will not start in Service Only Mode. Press the button again to turn the vehicle off.
{ Caution
Service Only Mode will discharge the 12-volt battery. Do not use Service Only Mode for an extended period, or the vehicle may not start.
STOPPING THE VEHICLE/OFF: To turn the vehicle off, press the POWER O button with the vehicle in P (Park). Retained Accessory Power (RAP) will remain active until the driver door is opened. See Retained Accessory Power (RAP) on page 9-19. When turning off the vehicle, if the vehicle is not in P (Park), the vehicle will go to ACC/ ACCESSORY and display the message SHIFT TO PARK in the Driver Information Center (DIC). See Electric Drive Unit Messages on page 5-44. If the vehicle must be shut off in an emergency: 1. Brake using a firm and steady
pressure. Do not pump the brakes repeatedly. This may deplete power assist, requiring increased brake pedal force.
2. Shift the vehicle to N (Neutral).
This can be done while the vehicle is moving. After shifting
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Driving and Operating
to N (Neutral), firmly apply the brakes and steer the vehicle to a safe location.
3. Come to a complete stop, shift to P (Park), and turn the vehicle off by pressing the POWER O button.
4. Set the parking brake. See
Electric Parking Brake on page 9-30.
{ Warning
Turning off the vehicle while moving may disable the airbags. While driving, only shut the propulsion system off in an emergency.
If the vehicle cannot be pulled over, and must be shut off while driving, press and hold the POWER O button for longer than two seconds, or press twice in five seconds.
Starting and Stopping the Vehicle The engine may start, if required, when the propulsion system is on.
{ Caution
Do not try to shift to P (Park) if the vehicle is moving or the electric drive unit could be damaged. Shift to P (Park) only when the vehicle is stopped.
{ Caution
If you add electrical parts or accessories, you could change the way the vehicle operates. Any resulting damage would not be covered by the vehicle warranty. See Add-On Electrical Equipment on page 9-71.
Starting Procedure 1. Move the shift lever to P (Park)
or N (Neutral). The propulsion system will not start in any other position.
2. The Remote Keyless Entry
(RKE) transmitter must be in the vehicle.
3. Press the brake pedal and press
and release the POWER O button.
If the RKE transmitter is not in the vehicle or something is interfering with the transmitter, a message displays in the Driver Information Center (DIC). See Key and Lock Messages on page 5-45. If the vehicle will not start due to a low RKE transmitter battery, the vehicle can still be driven. See “Starting the Vehicle with a Low Transmitter Battery” in Remote Keyless Entry (RKE) System Operation on page 2-2.
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Driving and Operating
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Welcome, powering up, and powering down audio messages are heard as well as displayed on the instrument cluster. This happens when opening the driver door upon entry, and when pressing the POWER O button. The instrument cluster displays an active fuel or battery gauge, along with an audio startup cue, when the vehicle is ready to be driven. This could take up to 15 seconds at extremely cold temperatures. The engine will only start if needed. If the vehicle did not start, the instrument cluster will display a screen with inactive fuel and battery gauges. See Starting and Stopping the Vehicle on page 9-18.
Restarting Procedure If the vehicle must be restarted while it is still moving, move the shift lever to N (Neutral) and press the POWER O button twice without pressing the brake pedal. The propulsion system will not restart in any other position.
Computers determine when the engine needs to run. The engine may start, if required, when the propulsion system is on. Some vehicle conditions that force the engine to run:
There are cold ambient temperatures. The hood is open or not completely latched. The high voltage battery has a low charge. The engine needs to run for maintenance.
See Maintenance Modes on page 9-25. A chime will sound if the driver door is opened while the vehicle is in ON/ RUN. Always press the POWER O button to turn the vehicle off before exiting. Stopping Procedure For information on how to turn the vehicle off, see Power Button on page 9-16.
Retained Accessory Power (RAP) The following features will operate for up to 10 minutes or until the driver door is opened: . Audio System . Accessory Power Outlets Power windows will operate for up to 10 minutes or until any door is opened.
Shifting Into Park 1. Hold the brake pedal down and
set the parking brake. See Electric Parking Brake on page 9-30.
2. Move the shift lever into P (Park) by pushing the lever all the way toward the front of the vehicle.
3. Turn the vehicle off.
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Leaving the Vehicle with the Propulsion System On { Warning
It can be dangerous to leave the vehicle with the propulsion system running. It could overheat and catch fire. It is dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. Do not leave the vehicle when the propulsion system is running. If you have left the propulsion system running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, always set the parking brake and move the shift lever to P (Park). See Shifting Into Park on page 9-19.
If you have to leave the vehicle with the propulsion system on, be sure the vehicle is in P (Park) and the parking brake is firmly set before you leave it. After you have moved the shift lever into P (Park), hold down the regular brake pedal. See if you can move the shift lever away from P (Park) without first pulling it toward you. If you can, it means that the shift lever was not fully locked into P (Park). Torque Lock Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the electric drive unit. This happens when parking on a hill and shifting the electric drive unit into P (Park) is not done properly and then it is difficult to shift out of P (Park). To prevent torque lock, set the parking brake and then shift into P (Park).
If torque lock does occur, your vehicle may need to be pushed uphill by another vehicle to relieve the parking pawl pressure, so you can shift out of P (Park).
Shifting out of Park To shift out of P (Park), the vehicle must be in ON/RUN, the brake pedal must be applied, and the charge cord must be unplugged. The vehicle has an electronic shift lock release system. The shift lock release is designed to: . Prevent the vehicle from turning
off unless the shift lever is in P (Park).
. Prevent moving the shift lever
out of P (Park), unless the vehicle is in ON/RUN, the brake pedal is applied, and the charge cord is unplugged.
Parking the vehicle in extreme cold for several days without the charge cord connected may cause the
Cadillac ELR Owner Manual 2014 - Second Edition - 1/22/14
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5. Move the shift lever into the
desired gear.
If you still cannot move the shift lever from P (Park), see your dealer or a professional towing service.
Parking over Things That Burn
{ Warning
Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn.
electric drive unit to be locked in P (Park) until the propulsion system has warmed sufficiently. The shift lock is always functional except in the case of an uncharged or low charged 12-volt battery (less than 9 volts). If the vehicle has an uncharged 12-volt battery or a 12-volt battery with low voltage, try charging or jump starting the 12-volt battery. See Battery on page 10-23 or Jump Starting on page 10-70. If the console shift lever cannot be moved out of P (Park): 1. Apply and maintain the regular
brakes.
2. Turn the vehicle on using the POWER O button. See Power Button on page 9-16.
3. Let up on the shift lever and make sure the shift lever is pushed all the way into P (Park).
4. Press the shift lever button.
Driving and Operating
9-21
Electric Vehicle Operating Modes
System Operation This vehicle is an Extended Range Electric Vehicle (EREV). It uses an electric propulsion system to drive the vehicle at all times. Electricity is the vehicle's primary source of energy, while gasoline is the secondary source. The vehicle has two modes of operation: Electric and Extended Range. In both modes, the vehicle is propelled by its electric drive unit. It converts electrical energy into mechanical energy to drive the wheels. See Driving for Better Energy Efficiency on page 9-2.
Electric Mode In Electric Mode, the vehicle does not use fuel or produce tailpipe emissions. During this primary mode, the vehicle is powered by electrical energy stored in the high
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Driving and Operating
voltage battery. The vehicle can operate in this mode until the battery has reached a low charge. There are some conditions when the battery charge is high enough to provide Electric Mode operation, but the engine still runs. They are: . Cold ambient temperatures. . Hot or cold high voltage battery
temperatures. The hood being open or not completely closed and latched.
. Certain high voltage battery fault
conditions.
. Engine Maintenance Mode or
Fuel Maintenance Mode being run.
Extended Range Mode When the vehicle reaches the end of its electric range, it switches to Extended Range Mode (ERM). In this secondary mode, electricity is produced by the fuel‐powered engine. This secondary source of
electric power extends the vehicle range. Operation will continue in ERM until the vehicle can be plugged in to recharge the high voltage battery and restore Electric Mode. The high voltage battery will continue to provide some power and work together with the engine to provide peak performance when it is required, such as driving up a steep incline or for high acceleration maneuvers. The battery will not be charged nor will electric vehicle range be restored by the engine. In either Electric Mode or Extended Range Mode, when the hood is open, the engine will run without turning off if the vehicle is on. The high voltage battery is neither charged nor discharged when this occurs. In either Electric Mode or Extended Range Mode, if there is a high voltage battery fault, the engine may run without turning off to generate needed electricity. The malfunction
indicator lamp will turn on. See Malfunction Indicator Lamp on page 5-17.
Driver Selected Operating Modes While driving in Electric or Extended Range Mode, additional operating modes can be selected.
Press the MODE switch to display selectable drive modes in the Driver Information Center (DIC). Continue pressing to scroll through the modes.
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If in Sport, Mountain, or Hold Mode, the mode may become unavailable and the vehicle will return to Tour Mode. The indicator light goes off and a DIC message displays. See Propulsion Power Messages on page 5-48. Sport Mode
Press the MODE switch again to return to Tour Mode and it becomes active after three seconds. Each time the vehicle is started, it will return to Tour Mode. Mountain Mode
Sport Mode provides more responsive acceleration, steering, and suspension than Tour Mode, but can reduce efficiency. Use Tour Mode whenever possible. Press the MODE switch button to select Sport Mode.
Mountain Mode should be selected in advance of climbing steep, uphill grades and when expecting to drive in very hilly or mountainous terrain. This mode maintains a reserve electrical charge of the high voltage battery to provide better grade climbing performance. While driving in Mountain Mode, the vehicle will have less responsive acceleration.
Highlight either the Mountain, Sport, or Hold Mode, then release the MODE switch. After three seconds, the new drive mode will become active. Pressing the MODE switch again will return to Tour Mode, and become active after three seconds. At next start, the vehicle will default to Tour Mode. Drive modes can then be selected again as desired. During some conditions, certain drive modes may be unavailable. The unavailable mode is grayed out in the DIC menu and cannot be selected.
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Driving and Operating
Mountain Mode will not change normal vehicle braking performance for steep downhill grades. See Hill and Mountain Roads on page 9-9
and Electric Drive Unit on page 9-28. Press the MODE switch to select Mountain Mode. If steep hill driving is expected, it is recommended to select Mountain Mode at least 20 minutes before driving on steep grades. This will allow the vehicle time to build a sufficient battery charge reserve. If Mountain Mode is not selected for these conditions, propulsion power may be reduced and the engine speed may increase. See Propulsion Power Messages on page 5-48. The engine may run when Mountain Mode is selected, depending on the high voltage battery charge, to build reserve battery charge for uphill climbs. The high voltage battery charge reserved for Mountain Modewill be displayed on the battery gauge, but will not be depleted until it is required for uphill driving. Press the MODE switch again to return to Tour Mode and it becomes active after three seconds. Each time the vehicle is started, it will return to Tour Mode to maintain a smaller battery charge reserve for normal driving. Hold Mode
Hold Mode is only available when the vehicle is in Electric Mode. This mode places the remaining battery charge into a reserve for the driver to use as desired. Selecting this
mode transitions the vehicle to Extended Range Mode to maintain the battery charge reserve. Upon exiting Hold Mode, the reserved battery charge becomes available again and the vehicle returns to Electric Mode. If the transition is from Hold Mode directly to Mountain Mode, the electric range displayed adjusts for the Mountain Mode charge reserve. Press the MODE switch and scroll to Hold Mode to select it. Press the MODE switch again to return to Tour Mode and it becomes active after three seconds. Each time the vehicle is started, it will return to Tour Mode.
Out of Fuel/Engine Unavailable If the vehicle runs out of fuel, or the engine will not start due to a malfunction, the vehicle can continue to be driven in Electric Mode. The vehicle will have less
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Driving and Operating
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responsive acceleration. DIC messages indicate reduced propulsion power, that the engine is not available, and the need for fuel or service. Once the vehicle is refueled, or the malfunction is corrected, the engine will start the next time the vehicle is turned on to perform a self test, and DIC messages will not be displayed. Once the engine starts successfully, normal operation will continue in either Electric or Extended Range Mode. The engine may stop running after the self test is completed based on the current mode of operation. See Fuel System Messages on page 5-44 and Service Vehicle Messages on page 5-49.
Maintenance Modes
Engine Maintenance Mode (EMM) EMM runs the engine to keep it in good working condition after approximately six weeks of no or very limited engine operation. EMM
will force the engine to run, even if there is a charge to power the vehicle. When EMM is needed, the EMM Request screen appears on the center stack display at vehicle start.
If Start Maintenance is selected, EMM will begin. The engine will run for a set amount of time without turning off. During EMM, a DIC message displays to show the EMM percentage complete. If Postpone is selected, the EMM Request screen will appear when the vehicle is next started. The EMM request can be delayed for only one day.
If the EMM request was delayed for one day, EMM will automatically start the engine at the next vehicle start. An EMM Notification screen will appear in the center stack display. If the vehicle shuts off during EMM, it will restart the next time the vehicle is driven. A message displays to indicate that EMM is active. If EMM is required and the fuel level is low, EMM may eventually empty the fuel tank if fuel is not added. This will result in reduced, or no power. An adequate fuel level must be maintained in the vehicle to keep it operational. See Propulsion Power Messages on page 5-48.
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Driving and Operating
Fuel Maintenance Mode (FMM) FMM tracks average fuel age. Old fuel can cause engine problems. If low engine usage causes average fuel age to exceed approximately one year, FMM will run the engine to use up the old fuel. The engine will run until enough fresh fuel is added to bring the average fuel age into an acceptable range. Allowing more old fuel to be used up by FMM and adding a larger amount of fresh fuel will maximize the length of time before another FMM is needed. During FMM the engine may turn on and off.
When FMM is needed, the FMM Request screen appears on the center stack display at vehicle start. If Start Maintenance is selected, FMM will begin. FMM will automatically continue at each vehicle start until fresh fuel is added. If Postpone is selected, the FMM Request screen will appear when the vehicle is next started. The FMM request can be delayed for only one day.
If FMM is required and the fuel level is low, FMM may eventually empty the fuel tank if fuel is not added. This will result in reduced, or no power. An adequate fuel level must be maintained in the vehicle to keep it operational. See Propulsion Power Messages on page 5-48.
If the FMM request was delayed for one day, FMM will start at the next vehicle start and display the FMM Notification screen on the center stack display.
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Running the Vehicle While Parked It is better not to park with the propulsion system running. If the vehicle is left with the propulsion system running, follow the proper steps to be sure the vehicle will not move. See Shifting Into Park on page 9-19 and Engine Exhaust on page 9-27.
Warning (Continued)
. There are holes or openings
in the vehicle body from damage or aftermarket modifications that are not completely sealed.
If unusual fumes are detected or if it is suspected that exhaust is coming into the vehicle:
. Drive it only with the windows
completely down.
. Have the vehicle repaired
immediately.
Never park with the engine running in Extended Range Mode in an enclosed area such as a garage or a building that has no fresh air ventilation.
Engine Exhaust { Warning
Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if:
. The engine is running in
Extended Range Mode in areas with poor ventilation (parking garages, tunnels, or deep snow that may block underbody airflow or tail pipes).
. The exhaust smells or
sounds strange or different.
. The exhaust system leaks
due to corrosion or damage. . The vehicle exhaust system
has been modified, damaged, or improperly repaired.
(Continued)
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Driving and Operating
Electric Drive Unit The vehicle uses an electric drive unit.
P (Park): This position locks the front wheels. It is the best position to use when starting the propulsion system because the vehicle cannot move easily.
{ Warning
It is dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. Do not leave the vehicle when the propulsion system is running. If you have left the propulsion system running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, always set the parking brake and move the shift lever to P (Park). See Shifting Into Park on page 9-19.
Make sure the shift lever is fully in P (Park) before starting the propulsion system. The vehicle has an electric drive unit shift lock control system. The regular brake must be fully applied first and then the shift lever button pressed before
shifting from P (Park) when the vehicle is in ON/RUN. If you cannot shift out of P (Park), ease pressure on the shift lever, then push the shift lever all the way into P (Park) as you maintain brake application. Then press the shift lever button and move the shift lever into another gear. See Shifting out of Park on page 9-20. R (Reverse): Use this gear to back up.
{ Caution
Shifting to R (Reverse) while the vehicle is moving forward could damage the electric drive unit. The repairs would not be covered by the vehicle warranty. Shift to R (Reverse) only after the vehicle is stopped.
To rock the vehicle back and forth to get out of snow, ice, or sand without damaging the electric drive unit, see If the Vehicle Is Stuck on page 9-11.
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In this position, the
N (Neutral): propulsion system does not connect with the wheels. D (Drive): This position is for normal driving. It provides the best fuel economy. If more power is needed for passing, and the vehicle is: . Going less than 56 km/h
(35 mph), push the accelerator pedal about halfway down.
. Going about 56 km/h (35 mph) or
more, push the accelerator all the way down.
{ Caution
If the vehicle seems to accelerate slowly or not respond when you go faster, and you continue to drive the vehicle that way, you could damage the electric drive unit. Have the vehicle serviced right away.
L (Low): This position reduces vehicle speed without using the brakes. You can use L (Low) on hills. It can help control vehicle speed going down steep mountain roads along with using the brakes off and on. You can use L (Low) on very steep hills, in deep snow, or in mud. The brake lamps may come on when the vehicle is in L (Low) and the accelerator is not pressed to indicate the vehicle is slowing down.
{ Caution
Spinning the tires or holding the vehicle in one place on a hill using only the accelerator pedal may damage the electric drive unit. The repair will not be covered by the vehicle warranty. If you are stuck, do not spin the tires. When stopping on a hill, use the brakes to hold the vehicle in place.
Brakes
Antilock Brake System (ABS) This vehicle has ABS, an advanced electronic braking system that helps prevent a braking skid. When propulsion is active and the vehicle begins to drive away, ABS checks itself. A momentary motor or clicking noise might be heard while this test is going on, and it might even be noticed that the brake pedal moves a little. This is normal.
If there is a problem with ABS, this warning light stays on. See Antilock Brake System (ABS) Warning Light on page 5-21.
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Driving and Operating
suddenly slows or stops. Always leave enough room up ahead to stop, even with ABS. Using ABS Do not pump the brakes. Just hold the brake pedal down firmly and let ABS work. You might hear the ABS pump or motor operating and feel the brake pedal pulsate, but this is normal. Braking in Emergencies ABS allows the driver to steer and brake at the same time. In many emergencies, steering can help more than even the very best braking.
If driving safely on a wet road and it becomes necessary to slam on the brakes and continue braking to avoid a sudden obstacle, a computer senses that the wheels are slowing down. If one of the wheels is about to stop rolling, the computer will separately work the brakes at each wheel. ABS can change the brake pressure to each wheel, as required, faster than any driver could. This can help the driver steer around the obstacle while braking hard. As the brakes are applied, the computer keeps receiving updates on wheel speed and controls braking pressure accordingly. Remember: ABS does not change the time needed to get a foot up to the brake pedal or always decrease stopping distance. If you get too close to the vehicle in front of you, there will not be enough time to apply the brakes if that vehicle
Electric Parking Brake
The vehicle has an Electric Parking Brake (EPB). The switch is to the left of the steering wheel. The EPB can always be activated, even if the vehicle is off. To prevent draining the 12-volt battery, avoid repeated cycles of the EPB system when the vehicle is off. The system has a red parking brake status light and an amber parking brake warning light. See Electric Parking Brake Light on page 5-20
and Service Electric Parking BrakeCadillac ELR Owner Manual 2014 - Second Edition - 1/22/14
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light does not come on, or keeps flashing, have the vehicle serviced. Do not drive the vehicle if the red parking brake status light is flashing. See your dealer. See Electric Parking Brake Light on page 5-20. If the amber parking brake warning light is on, lift up on the EPB switch and hold it up. Continue to hold the switch until the red parking brake status light remains on. If the amber parking brake warning light is on, see your dealer. If the EPB is applied while the vehicle is moving, the vehicle will decelerate as long as the switch is held up. If the switch is held up until the vehicle comes to a stop, the EPB will remain applied. The vehicle may automatically apply the EPB in some situations when the vehicle is not moving. This is normal, and is done to periodically check the correct operation of the EPB system.
If the EPB fails to apply, the rear wheels should be blocked to prevent vehicle movement. EPB Release To release the EPB: 1. Place the ignition in the ACC/
ACCESSORY or ON/RUN position.
2. Apply and hold the brake pedal. 3. Push down momentarily on the
EPB switch.
The EPB is released when the red parking brake status light is off. If the amber parking brake warning light is on, release the EPB by pushing down on the EPB switch and holding it down. Continue to hold the switch until the red parking brake status light is off. If either light stays on after release is attempted, see your dealer.
Light on page 5-21. There are also parking brake-related Driver Information Center (DIC) messages. See Brake System Messages on page 5-41. In case of insufficient electrical power, the EPB cannot be applied or released. Before leaving the vehicle, check the red parking brake status light to ensure that the parking brake is applied. EPB Apply To apply the EPB: 1. Be sure the vehicle is at a
complete stop.
2. Lift up the EPB switch
momentarily.
The red parking brake status light will flash and then stay on once the EPB is fully applied. If the red parking brake status light flashes continuously, then the EPB is only partially applied or there is a problem with the EPB. A DIC message will display. Release the EPB and try to apply it again. If the
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Driving and Operating
{ Caution
Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake system parts. Make sure that the parking brake is fully released and the brake warning light is off before driving.
Automatic EPB Release The EPB will automatically release if the vehicle is running, placed into gear, and an attempt is made to drive away. Avoid rapid acceleration when the EPB is applied, to preserve parking brake lining life.
Regenerative Braking Regenerative braking takes some of the energy from the moving vehicle and turns it back into electrical energy. This energy is then stored back into the high voltage battery system, contributing to increased energy efficiency.
The hydraulic disc brakes work with the regenerative braking to ensure effective braking, such as when a high braking demand is requested. The braking system is computer controlled and blends the regenerative braking with the conventional hydraulic disc brakes to meet any requirements for deceleration. The controller interprets the braking request and uses regenerative braking, conventional hydraulic braking, or a combination of both as necessary. Because the controller applies the hydraulic brakes through its high pressure accumulator, you may occasionally hear the motor-driven pump when it recharges the system. This is normal. See Warning Lights, Gauges, and Indicators on page 5-7 and Driver Information Center (DIC) on page 5-38. In the event of a controller problem, the brake pedal may be harder to push and the stopping distance may be longer.
Regen on Demand™
Regen on Demand allows increased deceleration by pressing and holding either of the steering wheel paddle switches. It works in D (Drive) and L (Low). The accelerator pedal must be fully released for it to work. The brake pedal must be applied at low speed, because it will not stop the car. Cruise control will turn off, and the brake lights may come on, when this feature is activated.
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If cruise control is being used and traction control or StabiliTrak begins to limit wheel spin, cruise control will disengage. Cruise control may be turned back on when road conditions allow. Both systems come on automatically when the vehicle is started and begins to move. The systems may be heard or felt while they are operating or while performing diagnostic checks. This is normal and does not mean there is a problem with the vehicle. It is recommended to leave both systems on for normal driving conditions, but It may be necessary to turn TCS off if the vehicle gets stuck in sand, mud, ice, or snow. See If the Vehicle Is Stuck on page 9-11 and “Turning the Systems Off and On” later in this section.
Ride Control Systems
Traction Control/ Electronic Stability Control The vehicle has a Traction Control System (TCS) and StabiliTrak®, an electronic stability control system. These systems help limit wheel slip and assist the driver in maintaining control, especially on slippery road conditions. TCS activates if it senses that any of the drive wheels are spinning or beginning to lose traction. When this happens, the system brakes the spinning wheel(s) and/or reduces engine power to limit wheel spin. StabiliTrak activates when the computer senses a difference between the intended path and the direction the vehicle is actually traveling. StabiliTrak selectively applies braking pressure at any one of the vehicle's brakes to help steer the vehicle in the intended direction.
The indicator light for both systems is in the instrument cluster. This light will:
Flash when TCS is limiting wheel spin. Flash when StabiliTrak is activated. Turn on and stay on when either system is not working.
If either system fails to turn on or to activate, a message displays in the Driver Information Center (DIC), and d comes on and stays on to indicate that the system is inactive and is not assisting the driver in maintaining control. The vehicle is safe to drive, but driving should be adjusted accordingly.
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Driving and Operating
If d comes on and stays on: 1. Stop the vehicle. 2. Turn the engine off and wait
15 seconds.
3. Start the engine. Drive the vehicle. if d comes on and stays on, the vehicle may need more time to diagnose the problem. If the condition persists, see your dealer. Turning the Systems Off and On
The button for TCS and StabiliTrak is on the center console, behind the shift lever.
{ Caution
Do not repeatedly brake or accelerate heavily when TCS is off. The vehicle driveline could be damaged.
To turn off only TCS, press and release the Y button. The traction off light i displays in the instrument cluster. The appropriate DIC message is displayed. See Ride Control System Messages on page 5-48. To turn TCS on again, press and release the Y button. The traction off light i displayed in the instrument cluster will turn off.
If TCS is limiting wheel spin when the Y button is pressed, the system will not turn off until the wheels stop spinning. To turn off both TCS and StabiliTrak, press and hold the Y button until the traction off light i and StabiliTrak OFF light g come on and stay on in the instrument cluster. The appropriate DIC message is displayed. See Ride Control System Messages on page 5-48. To turn TCS and StabiliTrak on again, press and release the Y button. The traction off light i and StabiliTrak OFF light g in the instrument cluster turn off. Adding accessories can affect the vehicle's performance. See Accessories and Modifications on page 10-2.
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Driver Mode Control Driver Mode Control attempts to add a sportier feel, provide a more comfortable ride, or assist in very hilly or mountainous terrain. This system simultaneously changes the software calibration of various sub-systems. Depending on the option package, available features, and mode selected, the suspension, steering, and powertrain will change calibrations to achieve the desired mode characteristics. The vehicle is equipped with Continuous Damping Control (CDC). Selecting the various Driver Modes adjusts the ride of the vehicle to enhance the ride performance for the road conditions and the selected mode.
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information on these Modes, see Driver Selected Operating Modes on page 9-22. Tour Mode Use for normal city and highway driving to provide a smooth, soft ride. Each time the vehicle is started, it will return to Tour Mode. Sport Mode Use where road conditions or personal preference demand a more controlled response. When selected, the Sport Mode indicator will display in the DIC. When in Sport Mode, the vehicle will still shift automatically. The electric drive unit may remain in gear longer than it would in the normal driving mode based on braking, throttle input, and vehicle lateral acceleration. The steering will change to provide more precise control. The suspension will change to provide better body control and handling performance.
Driver Mode Control Switch The Driver Mode Control has four modes: Tour, Sport, Mountain, and Hold. Press z on the MODE switch on the center console to make a mode selection. The first press of the switch will always show the Tour Mode. Subsequent presses will scroll though the available modes. The Tour and Sport Modes will feel similar on a smooth road. Select a new setting whenever driving conditions change. For additional
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Driving and Operating
Mountain Mode Use when driving in very hilly or mountainous terrain. When selected, the Mountain Mode indicator will display in the DIC. This feature is intended to maintain a reserve electrical charge of the high voltage battery to provide better grade climbing performance. While driving in Mountain Mode, the vehicle will have less responsive acceleration. Hold Mode The Hold Mode is only available when the vehicle is in the Electric Mode. Use when wanting to change to Extended Range Mode to maintain the battery charge reserve. See Extended Range Mode on page 9-22. When selected, the Hold Mode indicator will display in the DIC. This feature is intended to place the remaining battery charge into a reserve for the driver to use as
desired. Hold Mode will not change normal vehicle acceleration or braking performance.
Continuous Damping Control (CDC) The CDC feature provides superior vehicle ride and handling under a variety of passenger and loading conditions. The system is fully automatic and uses a computer controller to continuously monitor vehicle speed, wheel to body position, lift/dive, and steering position of the vehicle. The controller then sends signals to each shock absorber to independently adjust the damping level to provide the optimum vehicle ride.
Cruise Control { Warning
Cruise control can be dangerous where you cannot drive safely at a steady speed. Do not use the cruise control on winding roads or in heavy traffic. Cruise control can be dangerous on slippery roads. On such roads, fast changes in tire traction can cause excessive wheel slip, and you could lose control. Do not use cruise control on slippery roads.
With cruise control, a speed of about 40 km/h (25 mph) or more can be maintained without keeping your foot on the accelerator. Cruise control does not work at speeds below about 40 km/h (25 mph). If the brakes are applied, the cruise control disengages.
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If the StabiliTrak® system begins to limit wheel spin while using cruise control, the cruise control automatically disengages. See Traction Control/Electronic Stability Control on page 9-33. If a collision alert occurs when cruise control is activated, cruise control is disengaged. See Forward Collision Alert (FCA) System on page 9-50. When road conditions allow the cruise control to be safely used, you can apply the cruise control again.
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J (On/Off): Press to turn the system on and off. A white cruise control indicator appears in the instrument cluster when cruise is turned on. +RES (Resume/Accelerate): Press the control up briefly to +RES to make the vehicle resume to a previously set speed or press and hold to accelerate. If cruise control is already active, use to increase vehicle speed. To increase speed by 1 km/h or 1 mph, press +RES up to the first detent. To increase speed to the next 5 km/h or 5 mph mark on the speedometer, press +RES up to the second detent. SET− (Set/Coast): Press the control down briefly to set the speed and activate cruise control. If cruise control is already active, use to decrease vehicle speed. To decrease speed by 1 km/h or 1 mph, press SET− down to the first detent. To decrease speed to the next
5 km/h or 5 mph mark on the speedometer, press SET− down to the second detent. * (Cancel): Press to disengage cruise control without erasing the set speed from memory.
Setting Cruise Control If the cruise button is on when not in use, it could get bumped and go into cruise when not desired. Keep the cruise control button off when cruise is not being used. 1. Press J. 2. Get up to the desired speed. 3. Press and release the SET− control on the steering wheel.
4. Remove foot from the
accelerator.
When the cruise control has been set to the desired speed, the cruise control indicator appears green on the instrument cluster.
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Resuming a Set Speed If the cruise control is set at a desired speed and then the brakes are applied, the cruise control is disengaged without erasing the set speed from memory. Once the vehicle speed reaches about 40 km/h (25 mph) or more, press +RES up to the first detent briefly on the steering wheel. The vehicle returns to the previous set speed.
Increasing Speed While Cruise Control is at a Set Speed If the cruise control system is already activated: . Press and hold +RES up until the desired speed is reached, then release it. To increase vehicle speed in small increments, briefly press +RES up to the first detent. For each press, the vehicle goes about 1 km/h or 1 mph faster.
To increase vehicle speed in larger increments, briefly press +RES up to the second detent. For each press, the vehicle speed increases to the next 5 km/h or 5 mph mark on the speedometer.
To decrease the vehicle speed in larger increments, briefly press SET− down to the second detent. For each press, the vehicle speed decreases to the next 5 km/h or 5 mph mark on the speedometer.
The speedometer reading can be displayed in either English or metric units. See Instrument Cluster on page 5-7. The increment value used depends on the units displayed.
The speedometer reading can be displayed in either English or metric units. See Instrument Cluster on page 5-7. The increment value used depends on the units displayed.
Reducing Speed While Cruise Control is at a Set Speed If the cruise control system is already activated: . Press and hold SET− down until
the desired lower speed is reached, then release it. To decrease the vehicle speed in small increments, briefly press SET− down to the first detent. For each press, the vehicle goes about 1 km/h or 1 mph slower.
Passing Another Vehicle While Using Cruise Control Use the accelerator pedal to increase the vehicle speed. When you take your foot off the pedal, the vehicle will slow down to the previously set cruise speed. While pressing the accelerator pedal or shortly following the release to override cruise control, briefly applying the SET– switch will result in cruise control set to the current vehicle speed.
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Using Cruise Control on Hills How well the cruise control will work on hills depends upon the vehicle speed, load, and the steepness of the hills. When going up steep hills, you might have to step on the accelerator pedal to maintain the vehicle speed. Also, you may have to brake or shift to a lower gear to keep the vehicle speed down. If the brake is applied, the cruise control disengages.
Ending Cruise Control To disengage cruise control, do one of the following: . Step lightly on the brake pedal. . Press *. . Press J. . Press a Regen on Demand
paddle.
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Erasing Speed Memory The cruise control set speed is erased from memory if J is pressed or if the ignition is turned off.
Adaptive Cruise Control If equipped with Adaptive Cruise Control (ACC), it allows the driver to select the cruise control set speed and following gap. Read this entire section before using this system. The following gap is the following time between your vehicle and a vehicle detected directly ahead in your path moving in the same direction. If no vehicle is detected in your path, ACC works like regular cruise control. ACC uses a radar sensor. See Radio Frequency Statement on page 13-15. If a vehicle is detected in your path, ACC can apply acceleration or limited, moderate braking to maintain the selected following gap. To disengage ACC, apply the brake. If ACC is controlling your vehicle
speed when the Traction Control System (TCS) activates, the ACC may automatically disengage. See Traction Control/Electronic Stability Control on page 9-33. When road conditions allow ACC to be safely used, the ACC can be turned back on. ACC will not engage if the TCS or StabiliTrak electronic stability control system is disabled.
{ Warning
ACC has limited braking ability and may not have time to slow the vehicle down enough to avoid a collision with another vehicle you are following. This can occur when vehicles suddenly slow or stop ahead, or enter your lane. Also see “Alerting the Driver” in this section. Complete attention is always required while driving and you should be ready to take action and apply the brakes. See Defensive Driving on page 9-5.
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{ Warning
Adaptive Cruise Control will not detect or brake for children, pedestrians, animals, or other objects. Do not use Adaptive Cruise Control when:
. On winding and hilly roads or
when the sensors are blocked by snow, ice, or dirt. The system may not detect a vehicle ahead. Keep the entire front of the vehicle clean.
. Visibility is low, such as in
fog, rain, or snow conditions. Adaptive Cruise Control performance is limited under these conditions.
. On slippery roads where fast
changes in tire traction can cause excessive wheel slip.
* (Cancel): Press to disengage ACC without erasing the selected speed. 3 (Follow Distance Gap): Press to select a following gap time (or distance) setting for ACC of Far, Medium, or Near.
Setting Adaptive Cruise Control If the cruise button is on when not in use, the cruise on/off control could get pressed and cruise control could become active when not desired. Keep the cruise control off when cruise is not being used. Select the set speed desired for cruise. This is the vehicle speed when no vehicle is detected in its path. ACC will not set at a speed less than 24 km/h (15 mph), although it can be resumed when driving at lower speeds. To set ACC:
1. Press ].
] (On/Off): Press to turn the system on or off. A white adaptive cruise control indicator comes on. +RES (Resume/Accelerate): Press the control up briefly to resume the previous set speed or hold to accelerate. If ACC is already activated, use to increase vehicle speed. SET– (Set/Coast): Press the control down briefly to set the speed and activate ACC. If cruise control is already active, use to decrease vehicle speed.
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2. Get up to the desired speed. 3. Press and release the SET–
control on the steering wheel.
4. Remove foot from the
accelerator.
After ACC is set, it may immediately apply the brakes if a vehicle ahead is detected closer than the selected following gap.
The ACC indicator displays in the instrument cluster. When the ACC is active, the indicator will be lit green. Be mindful of speed limits, surrounding traffic speeds, and weather conditions when selecting the set speed.
Resuming a Set Speed If the ACC is set at a desired speed and then the brakes are applied, the ACC is disengaged without erasing the set speed from memory. To begin using ACC again, press +RES up briefly on the steering wheel. The vehicle returns to the previous set speed.
Increasing Speed While ACC is at a Set Speed If ACC is already activated, do one of the following: . Use the accelerator to get to the higher speed. Press SET– down. Release the control and the accelerator pedal. The vehicle will now cruise at the higher speed. When the accelerator pedal is pressed, ACC will not brake because it is overridden. A warning message will appear on the Driver Information Center (DIC). See Cruise Control Messages on page 5-42.
. Press and hold +RES up until the desired set speed appears on the display, then release it. To increase vehicle speed in small increments, briefly press +RES . For each press, the vehicle goes to the next 1km/h or 1 mph faster mark on the speedometer. To increase vehicle speed in larger increments, press +RES up to the second detent. For each press, the vehicle speed increases to the next 5 km/h or 5 mph mark on the speedometer.
When it is determined that there is no vehicle ahead inside the selected following gap, then the vehicle speed will increase to the set speed. The speedometer reading can be displayed in either English or metric units. See Instrument Cluster on page 5-7. The increment value used depends on the units displayed.
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Driving and Operating
Reducing Speed While ACC is at a Set Speed If ACC is already activated, do one of the following: . Use the brake to get to the desired lower speed. Press SET– down and release the accelerator pedal. The vehicle will now cruise at the lower speed.
. Press and hold SET– down until
the desired lower speed is reached, then release it. To decrease the vehicle speed in smaller increments, press SET−. For each press, the vehicle goes to the next 1 km/h or 1 mph slower mark on the speedometer. To decrease the vehicle speed in larger increments, press SET− down to the second detent. For each press, the vehicle speed decreases to the next 5 km/h or 5 mph mark on the speedometer.
The speedometer reading can be displayed in either English or metric units. See Instrument Cluster on page 5-7. The increment value used depends on the units displayed.
Selecting the Follow Distance When a slower moving vehicle is detected ahead within the selected following gap, ACC will adjust the vehicle's speed and attempt to maintain the follow distance gap selected. Press 3 on the steering wheel to adjust the following gap. When pressed, the current gap setting displays briefly on the instrument cluster. Subsequent presses cycle the gap button through three settings: Far, Medium, or Near. The gap setting will be maintained until it is changed. Since each gap setting corresponds to a following time (Far, Medium, or Near), the following distance will vary based on vehicle speed. The
faster the vehicle speed, the further back your vehicle will follow a vehicle detected ahead. Consider traffic and weather conditions when selecting the following gap. The range of selectable gaps may not be appropriate for all drivers and driving conditions. Changing the gap setting automatically changes the alert timing sensitivity (Far, Medium, or Near) for the Forward Collision Alert (FCA) feature. See Forward Collision Alert (FCA) System on page 9-50.
Alerting the Driver
If ACC is engaged, driver action may be required when ACC cannot apply sufficient braking because of approaching a vehicle too rapidly.
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When this condition occurs, six red
