EV Extended Range Mode Indicators

Range Plus

These two symbols are EV Extended Range Mode Indicators. They associated with electric vehicles (EVs) power saving modes. Both will most likely appear in gray scale in the vehicle’s instrument panel information center.

• But first, is one of these truly your symbol?? If yes, then continue on below.
• Otherwise return to our main Picture Symbols page and scan again!

The first symbol is a Hold Mode Indicator.  Its appearance is that of a locked household battery. It is intended for use when a trip is expected to use all of the high-voltage battery’s charge. Using Hold Mode at higher, highway speeds maximizes both EV miles and fuel efficiency.

The second is the Mountain Mode indicator. It also appears as a household battery, but overlain by mountains.  It is used when steep grades or mountainous terrain are expected. The mode maintains a reserve electrical charge of the high voltage battery to provide better grade climbing performance, but the vehicle will have less responsive acceleration. Select Mountain Mode at least 20 minutes before driving on steep grades to allow time to build a sufficient battery charge reserve.

This is another set of EV Mode indicators. This comes from Lexus which offers the ability to switch between EV Mode only, Hybrid (HV) Mode only, or Auto EV/HV mode, which automatically moves between EV and HV mode. This in truth, is the normal operation for most hybrid vehicles.

Finally, the company offers the ability to set the gasoline engine to charge the battery only, rather than switching back and forth between EV and HV modes. Not that Lexus and other companies have long used the green EV Mode indicator (right) to note the use of the hybrid battery only.

Maximum Power

Finally, this is a Wide Open Watts indicator symbol. This mode is used for short durations to provide maximum propulsion torque for maximum acceleration. It will not function when
the vehicle battery is low and will greatly reduce the vehicle’s range.

If the appearance of any indicator is unexpected, it is likely that the Mode selector has been pressed inadvertently.

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The information on this website is provided for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

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